Historic Places In Iowa

Sites and buildings eligible for the National Register of Historic Places

The National Register has identified more than 72,000 districts, sites, buildings, structures, and objects that are significant in American history, architecture, archeology, engineering, and culture. Over 1 million contributing resources are included in the listings.

Sites include
Illinois Central Combination Depot--Ackley Ackley
Adair Viaduct Adair
Dallas County Courthouse Adel
Dallas County Courthouse (Boundary Increase) Adel
Chief Wapello's Memorial Park Agency
Farm No. 1, Iowa Men's Reformatory Ahnamosa
Chicago, Milwaukee and Pacific Railroad-Albert City Station Albert City
Albia Square and Central Commercial Historic District Albia
Brick Gothic House Albia
Elbert-Bates House Albia
Jenkins, Dr. George A., House Albia
Monroe County Courthouse Albia
Noble-Kendall House Albia
Perry, T. B., House Albia
Saint Patrick's Roman Catholic Church Albia
White, Arvine and Elizabeth W., House Albia
Notbohm Mill Archaeological District Alburnett
Alden Bridge Alden
Alden Public Library Alden
Dau, William C. and Hertha, House Algona
Land and Loan Office Building Algona
Nelson Round Barn Allerton
Darrow, George, Round Barn Alta Vista
Agriculture Hall Ames
Alumni Hall Ames
Bandshell Park Historic District Ames
Christian Petersen Courtyard Sculptures, and Dairy Industry Building Ames
Engineering Hall Ames
Knapp-Wilson House Ames
MacDonald, Gilmour B. and Edith Craig, House Ames
Marston Water Tower Ames
Morrill Hall Ames
Municipal Building Ames
Skunk River Bridge Ames
Soper's Mill Bridge Ames
Washington Township Center High School Amish
Anamosa Public Library Anamosa
Antioch School Anamosa
Fremont Mill Bridge Anamosa
Green, John A., Estate Anamosa
Iowa Men's Reformatory Cemetery Anamosa
Iowa Men's Reformatory Historic District Anamosa
Lower Road Bridge Anamosa
Rick's Brewery Anamosa
Shaw, Col. William T. and Elizabeth C., House Anamosa
State Quarry, Iowa Men's Reformatory Anamosa
Butterworth, Nathaniel, House Andrew
DeFries House, Barn and Carpenter Shop Andrew
Insane Asylum at the County Poor Farm Andrew
Jackson County Jail Andrew
Slye, Thomas, House Andrew
Grand River Bridge Arispe
Nus, August, Polygonal Barn Arlington
Ellsworth Ranch Bridge Armstrong
Thomsen Round Barn Armstrong
Pillsbury Point State Park Arnolds Park
Spirit Lake Massacre Log Cabin Arnolds Park
Chase, Charles F. and and Ruth, House Atlantic
Chicago, Rock Island & Pacific Railroad Depot Atlantic
Martin, S. F., House Atlantic
McWaid, Job A. and Rebecca E., House Atlantic
Richardson-Jakway House Aurora
Graceland Cemetery Chapel Avoca
Pottawattamie County Sub Courthouse Avoca
Turner, Francis A. and Rose M., House Avoca
Lubben, Henry, House, Smokehouse and Springhouse Baldwin
Mill Rock School Baldwin
Sieben, Mrs. Margaret, House Baldwin
Warnock, Dr. Francis B., House Battle Creek
Bedford House Bedford
Bedford Oil Company Station Bedford
Bedford Public Library Bedford
Lenox Round Barn Bedford
Taylor County Courthouse Bedford
Sankot Motor Company Belle Plaine
Building at 101 North Riverview Street Belleview
Bellevue Herald Building Bellevue
Big Mill Homestead Bellevue
Building at 126 South Riverview Street Bellevue
Building at 130--132 North Riverview Street Bellevue
Building at 306 South Second Street Bellevue
Dyas Hexagonal Barn Bellevue
Dyas, George, House Bellevue
Dyas, William, Barn Bellevue
Fritz Chapel Bellevue
House at 505 Court Street Bellevue
Jackson County Courthouse Bellevue
Kucheman Building Bellevue
Niemann, Theodore, House and Spring House Bellevue
Paradise Farm Bellevue
Potter's, E. G., Jasper Flour Mill Bellevue
Robb House and Spring House Bellevue
Roling, Henry, House Bellevue
Spring Side Bellevue
Upper Paradise Bellevue
Washington Mill Bridge Bernard
White Water Creek Bridge Bernard
Bertram Bridge Bertram
Bettendorf, Joseph F., House Bettendorf
Bettendorf-Washington School Bettendorf
Regina Coeli Monastery Bettendorf
Cunningham Bridge Bevington
Oakland, William, Round Barn Blairsburg
Bloomfield Square Bloomfield
Davis County Courthouse Bloomfield
Findley, William, House Bloomfield
Weaver, James B., House Bloomfield
Wilson, Asa, House Bloomfield
Nebergall "Knoll Crest" Round Barn Blue Grass
Gilliece Bridge Bluffton
Upper Bluffton Bridge Bluffton
Aunty Green Hotel Bonaparte
Bonaparte Historic Riverfront District Bonaparte
Bonaparte Pottery Archeological District Bonaparte
Meek's Flour Mill Bonaparte
Des Moines River Locks No. 5 and No. 7 Bonaparte and Keosauqua
Barkley, Alonzo J. and Flora, House Boone
Boone Bridge Boone
Boone Bridge 2 Boone
Boone County Courthouse Boone
Boone Viaduct Boone
Champlin Memorial Masonic Temple Boone
Ericson Public Library Boone
First National Bank Boone
Herman, John H., House Boone
Perrigo-Holmes House Boone
Riekenberg, J. H., House Boone
Stoll Building Works Boone
Hansen, Andrew P., Farmstead Brayton
Stubbins, George E., House Britt
Brooklyn Hotel Brooklyn
Manatt, William, House Brooklyn
Hall, Hannah Morse Fowler, House Buchanan
Buck Grove Bridge Buck Grove
Round Barn, Buckingham Township Buckingham
Burlington and Missouri River Railroad Passenger Station Burlington
Burlington Public Library Burlington
Burlington, Cedar Rapids & Northern Freight House Burlington
Cascade Bridge Burlington
Church of St. John the Baptist Burlington
Crapo Park and Arboretum Historic District Burlington
Darwin, Mary, House Burlington
Dodge, Augustus Caesar, House Burlington
First Congregational Church Burlington
Flint River Bridge Burlington
Forney, James M., House Burlington
German Methodist Episcopal Church Burlington
Hedge Block Burlington
Heritage Hill Historic District Burlington
Hotel Burlington Burlington
Jagger-Churchill House Burlington
Schramm Building Burlington
Snake Alley Burlington
Snake Alley Historic District Burlington
Starker-Leopold Historic District Burlington
The Capitol Theater Burlington
Union Hotel Burlington
West Jefferson Street Historic District Burlington
Burr Oak House/Masters Hotel Burr Oak
Kinney Octagon Barn Burr Oak
Ellis, Evan F., Farmhouse Bussey
Johnson, George, House Calamus
Kvindherred Lutheran Church, School and Cemetery Calamus
Anthony, Horace, House Camache
Canton School Canton
Central School Canton
Wickfield Round Barn Cantril
Coal Creek Bridge Carlisle
Severson, Nels, Barn Carpenter
American Express Building--Carroll Carroll
Carnegie Library Building Carroll
Chicago & Northwestern Passenger Depot and Baggage Room--Carroll Carroll
Kittyhawk Avenue Bridge Carroll
Olympic Avenue Bridge Carroll
Quail Avenue Bridge Carroll
Robin Avenue Bridge Carroll
Storm Creek Bridge Carroll
Storm Creek Bridge 2 Carroll
Sauser-Lane House Cascade
Cedar Falls Ice House Cedar Falls
Cedar Falls Independent Order of Odd Fellows Cedar Falls
Central Hall Cedar Falls
Cotton Theater Cedar Falls
Fields Barn Cedar Falls
Forrest Milling Company Oatmeal Mill Cedar Falls
Newell, James, Barn Cedar Falls
Rownd, C. A., Round Barn Cedar Falls
Armstrong, Robert and Esther, House Cedar Rapids
Averill, A. T., House Cedar Rapids
Brewer, Luther A. and Elinore T., House Cedar Rapids
C.S.P.S. Hall Cedar Rapids
Calder Houses Cedar Rapids
Cedar Rapids Post Office and Public Building Cedar Rapids
Consistory Building No. 2 Cedar Rapids
Damour, William and Sue, House Cedar Rapids
Dewitt--Harman Archeological Site Cedar Rapids
Douglas, George B., House Cedar Rapids
Evans Manufacturing Company Building Cedar Rapids
First Avenue Bridge Cedar Rapids
First Universalist Church of Cedar Rapids Cedar Rapids
Hamilton Brothers Building Cedar Rapids
Highwater Rock Cedar Rapids
Hotel Roosevelt Cedar Rapids
IANR Railroad Underpass Cedar Rapids
Indian Creek Bridge Cedar Rapids
Iowa Building Cedar Rapids
Lattner Auditorium Building Cedar Rapids
Lesinger Block Cedar Rapids
May's Island Historic District Cedar Rapids
Mittvatsky House Cedar Rapids
Moslem Temple Cedar Rapids
Paramount Theater Building Cedar Rapids
People's Savings Bank Cedar Rapids
Second and Third Avenue Historic District Cedar Rapids
Security Building Cedar Rapids
Seminole Valley Farmstead Cedar Rapids
Sinclair, T. M., Mansion Cedar Rapids
St. Paul Methodist Episcopal Church Cedar Rapids
Taylor-Van Note Cedar Rapids
Witwer Grocery Company Building Cedar Rapids
Wolff, Philip A., House and Carriage House Cedar Rapids
Appanoose County Courthouse Centerville
Appanoose County Sheriff's House and Jail Centerville
Courthouse Square Historic District Centerville
Drake Public Library Centerville
Porter Hall Centerville
Second Baptist Church Centerville
Stratton House Centerville
Sturdivant-Sawyer House Centerville
U.S. Post Office Centerville
Vermilion Estate Centerville
Stringtown House Centerville
St. Peters United Evangelical Lutheran Church Ceres
Burlington Railroad Overpass Chariton
Lucas County Courthouse Chariton
Payne, O. E., House Chariton
Stephens, A. J., House Chariton
Brooks Round Barn Charles City
Central Park--North Main Street Historic District Charles City
Cook Farm Charles City
Dodd, A. B. C., House Charles City
Dr. Salsbury's Laboratories, Main Office and Production Laboratory Building Charles City
Hart, Charles Walter, House Charles City
Lane, Lucius and Maria Clinton, House Charles City
Main Street Bridge Charles City
Miller, Alvin, House Charles City
Parr, Charles Henry, House Charles City
Spotts Round Barn Charles City
Suspension Bridge Charles City
Wildwood Park Historic District Charles City
East Soldier River Bridge Charter Oak
Chambers Ford Bridge Chelsea
Bastian Site Cherokee
Brewster Site Cherokee
Cherokee Public Library Cherokee
Cherokee Sewer Site Cherokee
Illinois Central Railroad Yard--Cherokee Cherokee
Lewis Hotel Cherokee
Mill Creek Bridge Cherokee
Phipps Site Cherokee
Chickasaw Octagon House Chickasaw
St. Patrick's Catholic Church, Cedar Churdan
Mill Creek Bridge Clarence
Goldenrod Schoolhouse Clarinda
Hepburn, Col. William Peters, House Clarinda
Page County Courthouse Clarinda
White, W. T. S., House and Carriage House Clarinda
Burlington, Cedar Rapids and Northern Railroad Passenger Station Clarion
Cornelia Lake Bridge Clarion
Wright County Courthouse Clarion
Clayton School Clayton
Elks-Rogers Hotel Clear Lake
Etzel, John L., House Clear Lake
Rogers-Knutson House Clear Lake
Minerva Creek Bridge Clemons
Abraham Lincoln Statue and Park Clermont
Bigler Building Clermont
Church of the Saviour Episcopal Church and David Henderson Statue Clermont
Clermont Public School Clermont
Montauk Clermont
Union Sunday School Clermont
Castle Terrace Historic District Clinton
Cherry Bank Clinton
Clinton County Courthouse Clinton
Clinton Public Library Clinton
Curtis, George M., House Clinton
Dierks, Peter, House Clinton
First National Bank Clinton
Lamb, Lafayette, House Clinton
Van Allen Store Clinton
Upper Paris Bridge Coggin
Hall, James Norman, House Colfax
Community Building Columbus Junction
County Line Bridge Columbus Junction
Gipple's Quarry Bridge Columbus Junction
Plagmann Round Barn Conroy
Coon Rapids Bridge Coon Rapids
Cretsinger, John, House Coon Rapids
Coralville Public School Coralville
Coralville Union Ecclesiastical Church Coralville
Adams County Jail Corning
Corning Opera House Corning
Snider Bridge Corning
Bailey, George A. and Mary Tinkel, House Correctionville
Tedford, W. H., House Corydon
Beresheim, August, House Council Bluffs
Cavin, Thomas E., House Council Bluffs
Chicago, Rock Island & Pacific Railroad Passenger Depot Council Bluffs
Council Bluffs Free Public Library Council Bluffs
Dodge, Grenville M., House Council Bluffs
Dodge, Ruth Anne, Memorial Council Bluffs
Haymarket Commercial Historic District Council Bluffs
Hughes, Martin, House Council Bluffs
Jefferis, Thomas, House Council Bluffs
Ogden House Council Bluffs
Pottawattamie County Jail Council Bluffs
Reverend Little's Young Ladies Seminary Council Bluffs
Shea, John J. and Agnes, House Council Bluffs
St. Peter's Church and Rectory Council Bluffs
State Savings Bank Council Bluffs
Tulleys, Lysander, House Council Bluffs
Wickham, O. P., House Council Bluffs
Wickham--De Vol House Council Bluffs
Y.M.C.A. Building Council Bluffs
Cresco Opera House Cresco
Howard County Courthouse Cresco
Kellow House Cresco
Polygonal Barn, New Oregon Township Cresco
South Ward School Cresco
Chicago, Burlington and Quincy Railroad-Creston Station Creston
U. S. Post Office Creston
St. Patrick's Church Cumming
Waveland Round Barn Cushing
Brown, Corydon, House Dakota City
Geode State Park, Civilian Conservation Corps Area Danville
Adams, Walker, House Davenport
Adler, E. P., House Davenport
Ambrose Hall Davenport
American Commercial and Savings Bank Davenport
American Telegraph & Telephone Co. Bldg. Davenport
Argyle Flats Davenport
Ball-Waterman House Davenport
Ballard, John W., House Davenport
Barrows, Edward S., House Davenport
Beiderbecke, Leon Bismark, House Davenport
Benton, Richard, House Davenport
Berg, Henry, Building Davenport
Bethel AME Church Davenport
Blackhawk Hotel Davenport
Boyle, John R., House Davenport
Brammer Grocery Store Davenport
Bridge Avenue Historic District Davenport
Bryan, Alden, House Davenport
Buchanan School Davenport
Building at 1119-1121 W. Third Street Davenport
Building at 202 W. Third Street Davenport
Building at 813-815 W. Second Street Davenport
Burdick, Anthony, House Davenport
Burtis-Kimball House Hotel Davenport
Busch, Diedrich, House Davenport
Calvary Baptist Church/First Baptist Church Davenport
Cameron, W. S., House Davenport
Carr, William V., House Davenport
Cawley, James, House Davenport
Central Fire Station Davenport
Central Office Building Davenport
Chicago, Milwaukee, St. Paul and Pacific Freight House Davenport
City Market Davenport
Claussen, William, House Davenport
Clifton Davenport
College Square Historic District Davenport
Collins House Davenport
Columbia Avenue Historic District Davenport
Cook, Clarissa C., Library/Blue Ribbon News Bldg. Davenport
Cook, Clarissa, Home for the Friendless Davenport
Copeland, George, House Davenport
Cork Hill District Davenport
Cottage at 1514 and 1516 W. Second Street Davenport
Currier House Davenport
Davenport City Hall Davenport
Davenport Crematorium Davenport
Davenport Hose Station No. 3 Davenport
Davenport Hotel Davenport
Davenport Village Davenport
Davenport Water Co. Pumping Station No. 2 Davenport
Davison, Abner, House Davenport
Democrat Building Davenport
Dessaint, Marie Clare, House Davenport
Dillon Memorial Davenport
Dils-Downer House Davenport
Donahue Building Davenport
East 14th Street Historic District Davenport
Ebeling, Arthur, House Davenport
Ebeling, Henry, House Davenport
Edinger, Edward, House Davenport
Eldridge, D. C., House Davenport
Eldridge, Theodore, House Davenport
Ewert, Ferdinand, Building Davenport
Fennern, Henry P., House Davenport
Ferner, Matthais, Building Davenport
Ficke Block Davenport
Finch, Fred, House Davenport
First Bible Missionary Church Davenport
First Church of Christ, Scientist Davenport
First National Bank Building Davenport
First Presbyterian Church Davenport
Fisher, Lewis M., House Davenport
Forrest Block Davenport
French, Alice, House Davenport
Frick's Tavern Davenport
Gabbert, William, House Davenport
Gannon, M. V., House Davenport
Gaspard, D. Julius, House Davenport
Germania-Miller/Standard Hotel Davenport
Gilruth Schoolhouse Davenport
Glaspell, Isaac, House Davenport
Goering, Jacob, House Davenport
Goodrich, William T., House Davenport
Grant, W. T., Company Building Davenport
Grilk, Charles, House Davenport
Guy, Finley, Building Davenport
Hall, Israel, House Davenport
Hamburg Historic District Davenport
Hauschild's Hall Davenport
Hebert, Louis, House Davenport
Heinz, Bonaventura, House (first) Davenport
Heinz, Bonaventura, House (second) Davenport
Henne, Robert, House Davenport
Hibernia Hall Davenport
Hiller Building Davenport
Hillside Davenport
Hoersch, John, House Davenport
Hoffman Building Davenport
Hoffman, Samuel, Jr., House Davenport
Holbrook, William, House Davenport
Hose Station No. 1 Davenport
Hose Station No. 6 Davenport
Hose Station No. 7 Davenport
Hotel Mississippi--RKO Orpheum Theater Davenport
House at 1646 W. Second Street Davenport
House at 2123 W. Second Street Davenport
House at 2212 W. River Drive Davenport
House at 318-332 Marquette Street Davenport
House at 919 Oneida Street Davenport
Iowa Reform Building Davenport
Iowa Soldiers' Orphans' Home Davenport
Jansen, Theodore, House Davenport
Kahl Building Davenport
Kahl, Henry, House Davenport
Kiene, Albert, House Davenport
Kimball-Stevenson House Davenport
Klindt, George, House Davenport
Klindt, Henry, House Davenport
Koch Drug Store Davenport
Koenig Building Davenport
Koester, Nicholas, Building Davenport
Kuhnen, Nicholas J., House Davenport
LeClaire, Antoine, House Davenport
Lend-A-Hand Club Davenport
Lerch, Gustov C., House Davenport
Linden Flats Davenport
Lindsay, James E., House Davenport
Lippincott, John, House Davenport
Littig Brothers/Mengel & Klindt/Eagle Brewery Davenport
Littig, John, House Davenport
Lueschen, John, House Davenport
Mallet, Joseph, House Davenport
Martzahn, August F., House Davenport
McBride-Hickey House Davenport
McCarthy, Patrick F., House Davenport
McClellan Heights Historic Dictrict Davenport
McHarg, Joseph S., House Davenport
McKinney House Davenport
McManus House Davenport
Meadly House Davenport
Meiser Drug Store Davenport
Middleton, Dr. George McLelland, House and Garage Davenport
Miller Building Davenport
Miller, F. H., House Davenport
Miller, Severin, House Davenport
Motie, Joseph, House Davenport
Mueller Lumber Company Davenport
Murray, Thomas, House Davenport
Newcome, Daniel T., Double House Davenport
Newhall, Lucian, House Davenport
Nichols, Oscar, House Davenport
Nighswander, Benjamin, House Davenport
Northwest Davenport Savings Bank Davenport
Northwest Davenport Turner Society Hall Davenport
Oak Lane Historic District Davenport
Ochs Building Davenport
Ockershausen, Henry, House Davenport
Old City Hall Davenport
Outing Club Davenport
Pahl, Henry, House Davenport
Palmer, B. J., House Davenport
Paulsen, Peter J., House Davenport
Paustian, Henry, House Davenport
Peters' Barber Shop Davenport
Peters, J. C., House Davenport
Petersen's, J. H. C., Sons Store Davenport
Petersen's, J. H. C., Sons Wholesale Building Davenport
Petersen, W. D., Memorial Music Pavillion Davenport
Peterson, Max, House Davenport
Picklum, Frank, House Davenport
Pierce School No. 13 Davenport
Plambeck, Joachim, House Davenport
Pohlmann, Elizabeth, House Davenport
Pohlmann, Henry, House Davenport
Potter-Williams House Davenport
Price, Hiram/Henry Vollmer House Davenport
Prien Building Davenport
Prospect Park Historic District Davenport
Quickel, Jacob, House Davenport
Radcliff, Willam, House Davenport
Raible, F. J., House Davenport
Ranzow-Sander House Davenport
Raphael, Jacob, Building Davenport
Renwick Building Davenport
Renwick House Davenport
Riepe Drug Store/G. Ott Block Davenport
Riverview Terrace Historic District Davenport
Roberts, Edward C., House Davenport
Roslyn Flats Davenport
Rowhouses at 702-712 Kirkwood Boulevard Davenport
Sacred Heart Roman Catholic Cathedral Complex Davenport
Saengerfest Halle Davenport
SAINTE GENEVIEVE (dredge) Davenport
Schauder Hotel Davenport
Schebler, Richard, House Davenport
Schick's Express and Transfer Co. Davenport
Schmidt Block Davenport
Schmidt, F. Jacob, House Davenport
Schricker, John C., House Davenport
Schricker, John, House Davenport
Schroeder Bros, Meat Market Davenport
Scott County Jail Davenport
Sharon, Fred B., House Davenport
Shaw, E. A., House Davenport
Shields Woolen Mill Davenport
Siemer House Davenport
Simpson, Charles S., House Davenport
Sitz, Rudolph H., Building Davenport
Smith, Alvord I., House Davenport
Smith, Henry H./J.H. Murphy House Davenport
Smith, James, House Davenport
Smith, William G., House Davenport
St. Anthony's Roman Catholic Church Complex Davenport
St. John's Methodist Church Davenport
St. Joseph's Catholic Church Davenport
St. Katherine's Historic District Davenport
St. Luke's Hospital Davenport
St. Mary's Academy Davenport
St. Mary's Roman Catholic Church Complex Davenport
St. Paul's English Lutheran Church Davenport
Stewart, J. W., House Davenport
Struck, Dr. Kuno, House Davenport
Swan, George B., House Davenport
Swedish Baptist Church Davenport
Taylor School Davenport
Templeton, I. Edward, House Davenport
Tevoet, Lambert, House Davenport
Trinity Episcopal Cathedral Davenport
Union Electric Telephone & Telegraph Davenport
Union Savings Bank and Trust Davenport
Union Station and Burlington Freight House Davenport
Untiedt, Claus, House Davenport
Vander Veer Park Historic District Davenport
Von Ach, Frank J., House Davenport
Walsh Flats/Langworth Building Davenport
Walter-Gimble House Davenport
Warner Apartment Building Davenport
Washington Flats Davenport
Washington Gardens Davenport
Werthman Grocery Davenport
West Third Street Historic District Davenport
Westphal-Schmidt House Davenport
Whitaker, Charles, House Davenport
Wilkinson, Thomas C., House Davenport
Wolters Filling Station Davenport
Woods, Oscar C., House Davenport
Worley, Philip, House Davenport
Wupperman Block/I.O.O.F. Hall Davenport
Young, Col. Joseph, Block Davenport
Zoller Bros-Independent Malting Co. Davenport
Union Church Davis City
Woodland Place Historic District De Moines
Ames Creek Bridge De Witt
Birdsall Lime Kiln Decorah
Broadway-Phelps Park Historic District Decorah
Clarksville Diner Decorah
Cooley-Whitney House Decorah
Decorah East Side Elementary and Middle School Decorah
Decorah Ice Cave Decorah
Decorah Woolen Mill Decorah
Ellsworth-Porter House Decorah
Horn House Decorah
Jacobson Farm Decorah
Koren Library Decorah
Locust School Decorah
Luther College Farm Decorah
Miller, Norris, House Decorah
Painter-Bernatz Mill Decorah
Steyer Bridge Decorah
Steyer Opera House Decorah
Ten Mile Creek Bridge Decorah
Washington Prairie Methodist Church Decorah
Rewerts, George, House Defiance
Bay Settlement Church and Monument Delhi
Chicago, Milwaukee, St. Paul & Pacific Depot-- Delmar Delmar
Delmar Calaboose Delmar
Delta Covered Bridge Delta
Chamberlin, Clarence D., House Denison
Crawford County Courthouse Denison
McHenry, William A., House Denison
Park Motel Denison
Yellow Smoke Park Bridge Denison
Bridgeport Bridge Denmark
Denmark Congregational Church Denmark
Ainsworth, William W. and Elizabeth J., House Des Moines
Andrews, Josiah, House Des Moines
Ashby Manor Historic District Des Moines
Ayrshire Apartments Des Moines
Bailey, William H. and Alice, House Des Moines
Baker, C. H., Double House Des Moines
Bartlett, Walter M., Double House Des Moines
Bates Park Historic District Des Moines
Baum, William A. and Etta, Cottage Des Moines
Beeson, Byron A., House Des Moines
Bell, Hill McClelland, House Des Moines
Benham, F. A., House Des Moines
Burns United Methodist Church Des Moines
Burnstein--Malin Grocery Des Moines
Carpenter, James Sansom, House Des Moines
Case, Larnerd, House Des Moines
Chaffee--Hunter House Des Moines
Chautauqua Park Historic District Des Moines
Civic Center Historic District Des Moines
College Corner Commercial Historic Business District Des Moines
Court Avenue Bridge Des Moines
Crawford House Des Moines
Cummins, Albert Baird, House Des Moines
Darling, Jay Norwood and Genevieve Pendleton, House Des Moines
Denny, Professor Charles O., House Des Moines
Des Moines Saddlery Company Building Des Moines
Drake University Campus Historic District Des Moines
Fire Station No. 4 Des Moines
First Methodist Episcopal Church Des Moines
Fish and Game Pavilion and Aquarium Des Moines
Flynn Farm, Mansion, and Barn Des Moines
Fort Des Moines Provisional Army Officer Training School Des Moines
Franklin Apartments Des Moines
Gabriel, Rees, House Des Moines
Goddard Bungalow Court Historic District Des Moines
Goode, Lowry W., and Hattie N., First North Des Moines House Des Moines
Grand View College (Old Main) Des Moines
Greek Orthodox Church of Saint George Des Moines
Haley, F.E., Double House Des Moines
Hallett Flat--Rawson & Co. Apartment Building Des Moines
Hatton, Dr. John B. and Anna M., House Des Moines
Hawkeye Insurance Company Building Des Moines
Hayes, William B., House Des Moines
Herndon Hall Des Moines
Highland Park Historic Business District at Euclid and Sixth Avenues Des Moines
Home of Marshall's Horseradish Des Moines
Homestead Building Des Moines
Hotel Fort Des Moines Des Moines
Ingersoll Place Plat Historic District Des Moines
Iowa State Capitol Des Moines
Iowa State Fair and Exposition Grounds Historic District Des Moines
Iowa State Historical Building Des Moines
Iowa-Des Moines National Bank Building Des Moines
Johnson, Capt. Nicholas W. and Emma, House Des Moines
Johnstone, Dr. Anna E. and Andrew A., House Des Moines
Keeler, Rev. R. W. and Fannie E., House Des Moines
Kingman Place Historic District Des Moines
Kirkham, Francis M., House Des Moines
Knotts, Nellie and Thomas, House Des Moines
Kromer Flats Des Moines
Lexington, The Des Moines
Lord, Richard T. C., and William V. Wilcox House Des Moines
Mahnke House Des Moines
Maine, The Des Moines
Maish House Des Moines
Masonic Temple of Des Moines Des Moines
Middlesex Plat Historic District Des Moines
Municipal Building Des Moines
Naylor House Des Moines
New Lawn, The Des Moines
Norman Apartment Building Des Moines
Northwestern Hotel Des Moines
Oaklands, The, Historic District Des Moines
Odenweller, F. F.--James P. and Nettie Morey House Des Moines
Owl's Head Historic District Des Moines
Peak, George B., House Des Moines
Perry and Brainard Block Des Moines
Polk County Courthouse Des Moines
Prospect Park Second Plat Historic District Des Moines
Public Library of Des Moines Des Moines
Reynolds, Anson O., House Des Moines
Riverview Park Plat Historic District Des Moines
Rollins, Ralph, House Des Moines
Rumely--Des Moines Drug Company Building Des Moines
Saint John's Roman Catholic Church Des Moines
Salisbury House Des Moines
Sargent's Garage Des Moines
Savery Hotel Des Moines
Scheibe, Julius, Cottage Des Moines
Scott, Mary A. and Caleb D., House Des Moines
Scottish Rite Consistory Building Des Moines
Sherman Hill Historic District Des Moines
Sherman, Hoyt, Place Des Moines
Sherman, Lampson P., House Des Moines
Simmons, John P., House Des Moines
Sixth and Forest Historic District Des Moines
Southeast Water Trough Des Moines
Southwest Fifth St. Bridge Des Moines
St. Ambrose Cathedral and Rectory Des Moines
Stevenson, Samuel A. and Margaret, House Des Moines
Stoner, Thomas I., House Des Moines
Stuart, Dr. Richard and Paulina, House Des Moines
Studio Building Des Moines
Sylvan Theater Historic District Des Moines
Teachout Building Des Moines
Terrace Hill Des Moines
Trent--Beaver House Des Moines
Trinity Methodist Episcopal Church Des Moines
Turner, Susie P., Double House Des Moines
Vail, Mrs. Marian D.--Prof. Charles Noyes Kinney House Des Moines
Veneman's Bungalow Court Historic District Des Moines
Wallace, Henry, House Des Moines
Warfield, Pratt and Howell Company Warehouse Des Moines
Weitz, Charles H. and Lena May, House Des Moines
West Chester Des Moines
West Ninth Streetcar Line Historic District Des Moines
Wherry Block Des Moines
U.S. Post Office Des Noines
Wilson, John, House DeSoto
Dexter Community House Dexter
Buck, W. J., Polygonal Barn Diagonal
Logan Center School No.5 Dickens
Reynolds, Charles B., Round Barn Doon
Upper Iowa River Bridge Dorchester
Dow House Dow City
Downey Savings Bank Downey
Secrest Octagon Barn Downey
Burlington, Cedar Rapids & Northern Passenger Depot--Dows Dows
Fillmore Block Dows
Quasdorf Blacksmith and Wagon Shop Dows
Clay Avenue Bridge Drakesville
Andrew-Ryan House Dubuque
Bishop's Block Dubuque
Carnegie-Stout Public Library Dubuque
Cathedral Historic District Dubuque
Diamond Jo Boat Store and Office Dubuque
Dubuque City Hall Dubuque
Dubuque County Courthouse Dubuque
Dubuque County Jail Dubuque
Dubuque Freight House Dubuque
Dubuque Trading Post--Village of Kettle Chief Archeological District Dubuque
Dubuque, Julien, Monument Dubuque
Fenelon Place Elevator Dubuque
Four Mounds Site Dubuque
Garland House Dubuque
German Bank Dubuque
Ham, Mathias, House Dubuque
Hancock, Charles T., House Dubuque
Holland, Ora, House Dubuque
Hollenfelz House Dubuque
Jackson Park Historic District Dubuque
Johnson House and Barn Dubuque
Julien Dubuque Bridge Dubuque
Kelley House Dubuque
Langworthy House Dubuque
Loetscher, T. Ben, House Dubuque
McMahon House Dubuque
Mines of Spain Area Rural Community Archeological District Dubuque
Mines of Spain Lead Mining Community Archeological District Dubuque
Mines of Spain Prehistoric District Dubuque
Old Chapel Hall Dubuque
Old Main Historic District Dubuque
Orpheum Theatre and Site Dubuque
Rath, Johann Christian Frederick, House Dubuque
Redstone Dubuque
Round Barn, Dubuque Township Dubuque
Shot Tower Dubuque
St. Luke's Methodist Episcopal Church Dubuque
Thedinga, J. H., House Dubuque
Washington Park Dubuque
WILLIAM M. BLACK (dredge) Dubuque
Backbone State Park, Cabin--Bathing Area (Area A) Dundee
Backbone State Park, Picnicking, Hiking & Camping Area (Area B) Dundee
Backbone State Park, Richmond Springs (Area C) Dundee
Dunkerton Bridge Dunkerton
Dunham, Z. T., Pioneer Stock Farm Dunlap
Wheeler, John R., Jr., House Dunlap
St. Paul's Episcopal Church and Parish Hall Durant
Allen House Dyersville
Basilica of St. Francis Xavier, Church and Rectory Dyersville
McQuilkin, James Greer, Round Barn Eagle Center
Round Barn, Bruce Township Section 3 Eagle Center
Eagle Grove Public Library Eagle Grove
Allen, James, Stone Barn Earlham
Earlham Public School Earlham
Early, John and Elizabeth McMurn, House Earlham
Ford, W. T., House Earlham
Henderson, Daniel and Nancy Swaford, House Earlham
McQuie, Peter and Isabelle McCulloch, Milkhouse Earlham
Wilson, Seth and Elizabeth, House Earlham
Suckow, Ruth, House Earlville
Ogburn, William, House East Peru
Big 4 Fair Art Hall Eldon
Dibble House Eldon
Eldon Carnegie Public Library Eldon
McHaffey Opera House Eldon
Eldora Public Library Eldora
First Congregational Church Eldora
Hardin County Courthouse Eldora
Eldorado Bridge Eldorado
Eldridge Turn--Halle Eldridge
Christiansen, Jens Otto, House Elk Horn
Larsen, Chris, House Elk Horn
Carter House Elkader
Clayton County Courthouse Elkader
County Road Bridge 15 Elkader
Davis, Timothy, House Elkader
Elkader Keystone Bridge Elkader
Elkader Opera House Elkader
Motor Townsite Elkader
Price, Rialto, House Elkader
Read Township Culvert Elkader
Schmidt House Elkader
St. Joseph Church and Parish Hall Elkader
Stemmer, J. C., House Elkader
Janko, Jan F. and Antonie, Farmstead District Ely
Minor, Josias L. and Elizabeth A., Farmstead District Ely
Moorhead, Joseph and Clara Amanda H., House Ely
Podhajsky--Jansa Farmstead District Ely
Emmetsburg Public Library Emmetsburg
Ormsby-Kelly House Emmetsburg
Kidder, Zephaniah, House Epworth
Audubon County Courthouse Exira
Bush, John D., House Exira
Architecture of Henry K. Holsman Historic Campus District Fairfield
Ball, W. C., House Fairfield
Beck, James A., House Fairfield
Burnett-Montgomery House Fairfield
Clarke, James F., House Fairfield
Fairfield Public Library Fairfield
Former US Post Office Building Fairfield
Fryer, O.F. and Lulu E., House Fairfield
Henn Mansion Fairfield
Iowa Malleable Iron Company Fairfield
Jefferson County Courthouse Fairfield
Louden Machinery Company Fairfield
Louden Monorail System in the Auto Repair Shop Fairfield
Louden Whirl-Around Fairfield
Louden, R. B. and Lizzie L., House Fairfield
Louden, R.R., and Antoinette, House Fairfield
Louden, William and Mary Jane, House Fairfield
Luedtke, August and Vera, Barn Fairfield
McElhinny House Fairfield
New Sweden Chapel Fairfield
Old Settlers' Association Park and Rhodham Bonnifield House Fairfield
Wells, George A., House Fairfield
Wells--Stubbs House Fairfield
Wilson Building Fairfield
Wilson, US Senator James F., House Fairfield
Lincoln School Farley
Sharon Cemetery Historic District Farmington
Burg Wagon Works Building Farmington
Chicago, Milwaukee, St. Paul and Pacific Railroad Company Depot Fayette
College Hall Fayette
Twin Bridge Fayette
Rhodes Mill Fertile
Turkey River Bridge Festina
Pilot Knob State Park, Amphitheater (Area 4) Forest City
Pilot Knob State Park, Observation Tower (Area 2) Forest City
Pilot Knob State Park, Picnic Shelter (Area 3) Forest City
Pilot Knob State Park, Portals (Area 5a) Forest City
Pilot Knob State Park, Trail Area (Area 6a--6c) Forest City
Pilot Knob State Park: Portals in Area 5b Forest City
Forest City Public Library Forest City
Thompson, Charles J., House Forest City
Winnebago County Courthouse Forest City
Fort Atkinson Bridge Fort Atkinson
Coffin, Lorenzo S., Burial Plot Fort Dodge
Corpus Christi Church Fort Dodge
Illinois Central Freight House and Office Building--Fort Dodge Fort Dodge
Illinois Central Passenger Depot--Fort Dodge Fort Dodge
Oak Hill Historic District Fort Dodge
Oakland Cemetery Fort Dodge
Vincent House Fort Dodge
Webster County Courthouse Fort Dodge
Albright House Fort Madison
Atchison, Topeka and Santa Fe Passenger and Freight Complex Historic Distri Fort Madison
Beck, Chief Justice Joseph M., House Fort Madison
Cattermole Memorial Library Fort Madison
Fort Madison Bridge Fort Madison
Iowa State Penitentiary Cellhouses Historic District Fort Madison
Lee County Courthouse Fort Madison
McConn, Daniel, Barn Fort Madison
Moyce--Steffens House Fort Madison
Old Fort Madison Site Fort Madison
Schlapp, George E., House Fort Madison
Sheaffer, Craig and Virginia, House Fort Madison
St Mary of the Assumption Church Fort Madison
Herschler, Christian and Katharina, House, Barn and Outbuildings Historic D Franklin
Frankville School Frankville
Freeport Bowstring Arch Bridge Freeport
McClung, J. J., House Garden Grove
Stearns, C. S., House Garden Grove
First Congregational Church Garnavillo
Garnavillo Township Bridge Garnavillo
Garnavillo Township Culvert Garnavillo
I.O.O.F. Hall Garnavillo
Valley Mills Garnavillo
Hancock County Courthouse Garner
St. Patrick's Church--Garryowen Garryowen
Duncan--Duitsman Farm Historic District George
Keigley Branch Bridge Gilbert
Ross, Seymour, Round Barn Gillet Grove
Conant's Cabin and Park Gladbrook
Pony Creek Park Glenwood
Boone River Bridge Goldfield
Goldfield Bridge Goldfield
Chicago, Milwaukee, and St. Paul Railroad-Grafton Station Grafton
Frantz Round Barn Grand Junction
Lincoln Highway--Buttrick's Creek to Grand Junction Segment Grand Junction
Lincoln Highway--Grand Junction Segment Grand Junction
Lincoln Highway--Little Beaver Creek Bridge Grand Junction
Lincoln Highway--West Beaver Creek Abandoned Segment Grand Junction
Helvig--Olson Farm Historic District Grand Mound
Nodaway River Bridge Grant
Coldwater Church of the Brethren Greene
Adair County Courthouse Greenfield
Catalpa Greenfield
Loucks Grove Church Greenfield
Warren Opera House Block and Hetherington Block Greenfield
Bowers and McDonald Office Building Grinnell
Chicago, Rock Island and Pacific Railroad-Grinnell Passenger Station Grinnell
Goodnow Hall Grinnell
Grinnell Herald Building Grinnell
Grinnell Historic Commercial District Grinnell
Grinnell, Levi P., House Grinnell
Interior Telephone Company Building Grinnell
Marsh, E.A. and Rebecca (Johnson), House Grinnell
Mears Hall Grinnell
Merchants' National Bank Grinnell
Ricker, B. J., House Grinnell
Spaulding Manufacturing Company Grinnell
Spencer, Charles H., House Grinnell
Stewart Library Grinnell
Griswold National Bank Griswold
Grundy County Courthouse Grundy Center
Springbrook State Park, Civilian Conservation Corps Area Guthrie Center
Albertus Building Guttenberg
Eckert House Guttenberg
Front Street (River Park Drive) Historic District Guttenberg
Fuerste House Guttenberg
Guttenberg Corn Canning Co. Guttenberg
Guttenberg National Fish Hatchery and Aquarium Historic District Guttenberg
Guttenberg State Bank Guttenberg
Kolker House Guttenberg
Matt-Bahls House Guttenberg
McClaine House Guttenberg
Moser Stone House Guttenberg
Nieland House Guttenberg
Parker House Guttenberg
Stone Barn Guttenberg
Weber House Guttenberg
Wehmer House Guttenberg
Hamburg Public Library Hamburg
Hammond Bridge Hamilton
Beeds Lake State Park, Civilian Conservation Corps Area Hampton
Boehmler, H. E., House Hampton
Franklin County Courthouse Hampton
Franklin County G. A. R. Soldiers' Memorial Hall Hampton
Franklin County Sheriff's Residence and Jail Hampton
Harriman, Dr. O. B., House Hampton
Maysville Schoolhouse Hampton
Reeve Electric Association Plant Hampton
Reeve, Leander, House Hampton
Hancock Savings Bank Hancock
Slinde Mound Group Hanover
Floral Hall Harlan
Harlan Courthouse Square Commercial District Harlan
Shelby County Courthouse Harlan
St. Paul's Episcopal Church Harlan
Saints Peter and Paul Roman Catholic Church Harper
Harvey Railroad Bridge Harvey
Edel, Matthew, Blacksmith Shop and House Haverhill
Fleshman, Charles M. and Emma M. Fischer, House Hawarden
Hayesville Independent School Hayesville
McKenzie, Erza, Round Barn Hazleton
Otter Creek Bridge Hazleton
Nishnabotna River Bridge Henderson
McCoy Polygonal Barn Hepburn
Herrold Bridge Herrold
Chain Lakes Bridge Hiawatha
Turner Hall Holstein
Western Hotel Holy Cross
Old Lenox College Hopkinton
Chicago, Milwaukee, St. Paul & Pacific Combination Depot--Hornick Hornick
Berkhimer Bridge Humboldt
Humboldt Free Public Library Humboldt
Des Moines River Bridge Humbolt
Bell, Alvin Bushnell, House Ida Grove
Ida County Courthouse Ida Grove
Moorehead Stagecoach Inn Ida Grove
St. Patrick Church Imogene
280th Street Bridge Independence
Fisher--Plane Commercial Building Independence
Fuhrman, Mathias C. and Eva B. Crowell, Farm Independence
Maas Commercial Building Independence
Munson Building Independence
Otterville Bridge Independence
Plane, Robert R., and Julia L., House Independence
Purdy, Eliphalet W. and Catherine E. Jaquish, House Independence
Shellito, Dr. Judd C. and Margaret S. Clarke, House Independence
Taylor's Ford Bridge Independence
Wapsipinicon Mill Independence
Wapsipinicon River Bridge Independence
Weins Commercial Building Independence
Lake Ahquabi State Park, Bathhouse Area (Area B) Indianola
Lake Ahquabi State Park, Picnic Area (Area A) Indianola
Lake Ahquabi State Park, Refectory Area (Area C) Indianola
Polled Hereford Breed Origin Site Indianola
Science Hall Indianola
Octagon Round Barn, Indian Creek Township Iowa Center
Wood, William Kennison, House Iowa Center
Ashton, Ned, House Iowa City
Berryhill, Charles, House Iowa City
Bethel AME Church Iowa City
Billingsley-Hills House Iowa City
Boerner-Fry Company/Davis Hotel Iowa City
Bostick, William, House Iowa City
Brown Street Historic District Iowa City
Cannon, Wilbur D. and Hattie, House Iowa City
Carson, Thomas C., House Iowa City
Cavanaugh-Zetek House Iowa City
Chicago, Rock Island and Pacific Railroad Passenger Station Iowa City
Clark House Iowa City
Close House Iowa City
College Block Building Iowa City
College Green Historic District Iowa City
Congregational Church of Iowa City Iowa City
Czecho Slovakian Association Hall Iowa City
East College Street Historic District Iowa City
Economy Advertising Company Iowa City
First Johnson County Asylum Iowa City
First Welsh Congregational Church Iowa City
Ford, Arthur Hillyer, House Iowa City
Franklin Printing House Iowa City
Harvat, Emma J., and Mary E. Stach House Iowa City
Jackson-Swisher House and Carriage House Iowa City
Johnson County Courthouse Iowa City
Johnson, Sylvanus, House Iowa City
Kirkwood House Iowa City
Letovsky-Rohret House Iowa City
Linsay House Iowa City
McCollister, James, Farmstead Iowa City
Muscatine Avenue Moffitt Cottage Historic District Iowa City
Nicking House Iowa City
North Presbyterian Church Iowa City
Oakes-Wood House Iowa City
Old Capitol Iowa City
Old Post Office Iowa City
Opera House Block Iowa City
Park House Hotel Iowa City
Paul--Helen Building Iowa City
Pentacrest Iowa City
Plum Grove Iowa City
Pratt, A. W., House Iowa City
Rittenmeyer, F. X., House Iowa City
Rose Hill Iowa City
Schindhelm--Drews House Iowa City
Shambaugh, Benjamin F. and Bertha M. Horack, House Iowa City
Shimek, Bohumil, House Iowa City
South Summit Street District Iowa City
St. Mary's Church and Rectory Iowa City
St. Mary's Rectory Iowa City
Summit Apartment Building Iowa City
Sutliff Bridge Iowa City
Trinity Episcopal Church Iowa City
Union Brewery Iowa City
Van Patten House Iowa City
Vogt House Iowa City
Wentz, Jacob, House Iowa City
Windrem House Iowa City
Woodlawn Historic District Iowa City
Wood, Herman, Round Barn Iowa Falls
Carnegie-Ellsworth Public Library Iowa Falls
Edgewood School of Domestic Arts Iowa Falls
Ellsworth--Jones Building Iowa Falls
Estes Park Band Shell Iowa Falls
First National Bank Iowa Falls
Iowa Falls Bridge Iowa Falls
Iowa Falls Union Depot Iowa Falls
McClanahan Block Iowa Falls
Metropolitan Opera House Iowa Falls
Mills Tower Historic District Iowa Falls
Princess--Sweet Shop Iowa Falls
River Street Bridge Iowa Falls
Sentinel Block Iowa Falls
Slayton Farms--Round Barn Iowa Falls
St. Matthew's by the Bridge Episcopal Church Iowa Falls
US Post Office--Iowa Falls Iowa Falls
W. R. C. Hall Iowa Falls
Washington Avenue Bridge Iowa Falls
Lawrence Bridge Jackson Junction
Poplar Rural District Jacksonville
Poldberg, Chris, Farmstead Jacksonville
Octagon Barn, Richland Township Jamaica
Round Barn, Washington Township Janesville
Green Mill Ford Bridge Janesville
Chicago, Milwaukee & St. Paul Depot--Jefferson Jefferson
Gallup, George H., House Jefferson
Greene County Courthouse Jefferson
Lincoln Highway Marker (1) Jefferson
Lincoln Highway Marker (2) Jefferson
Lincoln Highway--Buttrick's Creek Abandoned Segment Jefferson
Lincoln Highway--Raccoon River Rural Segment Jefferson
Lincoln Statue Jefferson
Squirrel Hollow County Park Historic District Jefferson
Camp Dodge Pool District Johnston
Trier, Paul J. and Ida, House Johnston
Knapp, Dr. Charles, Round Barn Jolley
St. John's Lutheran Church Kalona
First Methodist Episcopal Church Kensett
Irwin, John N. and Mary L. (Rankin), House Keokuk
Belknap, Gen. William Worth, House Keokuk
Curtis, Gen. Samuel R., House Keokuk
GEO. M. VERITY Keokuk
Harrison, E. H., House Keokuk
Hotel Iowa Keokuk
Joy, C. R., House Keokuk
Keokuk Lock and Dam Keokuk
Keokuk National Cemetery Keokuk
Keokuk Union Depot Keokuk
Miller, Justice Samuel Freeman, House Keokuk
Sample, Hugh W. and Sarah, House Keokuk
St. John's Episcopal Church and Parish Hall Keokuk
St. Peter Church Keokuk
U.S. Post Office and Courthouse Keokuk
Weess, Frank J., House Keokuk
Bentonsport Keosauqua
Hotel Manning Keosauqua
Keosauqua Bridge Keosauqua
Lacey--Keosauqua State Park, Bathing Area (Area C) Keosauqua
Lacey--Keosauqua State Park, Lodge and Picnic Area (Area A) Keosauqua
Lacey--Keosauqua State Park, Picnic and Custodial Group (Area B) Keosauqua
Midway Stock Farm Barn Keosauqua
Pearson, Franklin, House Keosauqua
Twombley, Voltaire, Building Keosauqua
Van Buren County Courthouse Keosauqua
Singmaster, C.F. and Mary, House Keota
Kilbourn Bridge Kilbourn
Bennedsen, Boldt, and Hansen Building Kimballton
Bethany Danish Evangelical Lutheran Church Kimballton
Immanuel Danish Evangelical Lutheran Church Kimballton
Jorgensen, Hans J., Barn Kimballton
Kimballton Commercial District Kimballton
Kimballton West 2nd--West 3rd Street Residential District Kimballton
Koch, Hans M., House Kimballton
Larsen, Jens T., House Kimballton
Big Sioux Prehistoric Prairie Procurement System Archaeological District Klondike
Hays, E. R., House Knoxville
Marion County Courthouse Knoxville
Round Barn, Bruce Township Section 6 La Porte
La Porte City Station La Porte
Lange, August H. J. and Justena, Farmstead Historic District La Porte City
McQuilken, John N. and Mary, House La Porte City
Wasson, Dr. Jesse, Building La Porte St.
St. Joseph's Roman Catholic Church and Cemetery Historic District Lacona
Ladora Savings Bank Ladora
Central School Lake City
Chicago and North Western Office Building/Passenger Depot--Lake City Lake City
Lake City Community Memorial Building Lake City
Lake City Public Library Lake City
Lake City Water Standpipe Lake City
Marsh Rainbow Arch Bridge Lake City
Smith Farmhouse Lake City
Smith, Gen. Cass and Belle, House Lake City
Smith, Peter and Mary, House Lake City
Trappers Bay State Park Picnic Shelter Lake Park
Blackhawk State Park, Black Hawk Preserve (Area B) Lake View
Blackhawk State Park, Denison Beach Area (Area C) Lake View
Blackhawk State Park, Wildlife Preserve Area (Area A) Lake View
Chief Black Hawk Statue Lake View
Lakeside Park Historic District Lake View
Liberty Hall Lamoni
Chicago, Milwaukee & St. Paul Narrow Gauge Depot--LaMotte LaMotte
Harris Wagon and Carriage Shop LaMotte
Fobes Octagon Barn Lanesboro
Kerndt G., and Brothers Elevator and Warehouses, No. 11, No.12 and No. 13 Lansing
Kerndt, G., & Brothers Office Block Lansing
Lansing Fisheries Building Lansing
Lansing Stone School Lansing
Old Allamakee County Courthouse Lansing
Gingrich, Clement B., House Laporte City
LaPorte City Town Hall and Fire Station LaPorte City
Klondike Bridge Larchwood
Kruger Mill Larchwood
Laurens Public Library Laurens
Cody Road Historic District Le Claire
Dawley House Le Claire
Gamble, James, House Le Claire
Horton-Suiter House Le Claire
Kattenbracher House Le Claire
McCaffrey House Le Claire
Old Mill House Le Claire
Rambo House Le Claire
Smith, John, House Le Claire
Stone House Le Claire
Stone School Le Claire
Suiter, Jacob, House Le Claire
Suiter, John H., House Le Claire
Suiter, William, House Le Claire
Tromley, George, Jr., House Le Claire
Tromley, George, Sr., House Le Claire
Van Sant, Samuel, House Le Claire
Le Grand Bridge Le Grand
Le Grand Bridge Le Grand
Le Mars Central High School Le Mars
Le Mars Public Library Le Mars
Plymouth County Courthouse Le Mars
St. George's Episcopal Church Le Mars
Tonsfeldt Round Barn Le Mars
LONESTAR LeClaire
Dolliver Memorial State Park, Entrance Area (Area A) Lehigh
Dolliver Memorial State Park, Picnic, Hiking & Maintenance Area (Area B Lehigh
Reeves Farmstead Historic District LeMars
Decatur County Courthouse Leon
Grand River Bridge Leon
Hitchcock, George B., House Lewis
Nishnabotna Ferry House Lewis
Lime Springs Mill Complex Lime Springs
Pleasant Hill School Lineville
Chan-Ya-Ta Site Linn Grove
Stuckslager, Harrison, House Lisbon
Torrance House Lisbon
Murray General Merchandise Store Little Sioux
Dry Run Bridge Littleport
Harrison County Courthouse Logan
Harrrison County Jail Logan
State Savings Bank Logan
Brownlie, Alexander, House Long Grove
Buxton Historic Townsite Lovilia
Kreinbring Phillips 66 Gas Station Lowden
Lincoln Hotel Lowden
Lu Verne City Jail Lu Verne
Monona Township Culvert Luana
Meier, Fred W., Round Barn Ludlow
Lynnville Mill and Dam Lynnville
Craven, J. D., Women's Relief Corps Hall Macksburg
Big Creek Bridge Madrid
Big Creek Bridge 2 Madrid
Cassel, Carl and Ulrika Dalander, House Madrid
Old Harrison County Courthouse Magnolia
Raymond, P. P., House Malcom
Shay, Lee, Farmhouse Maloy
Coffin's Grove Stagecoach House Manchester
Delaware County Courthouse Manchester
Hoag, J. J., House Manchester
McGee School Manchester
Spring Branch Butter Factory Site Manchester
Klondike Hotel Manilla
Nishnabotna River Bridge Manilla
Nishnabotna River Bridge Manilla
Leet, William A., and Frederick Hassler Farmstead District Manning
Round Barn, Cooper Township Mapleton
Trinity Memorial Episcopal Church Mapleton
Anderson, D. H., Building Maquoketa
Anderson, D. H., House Maquoketa
Bassnett--Nickerson House Maquoketa
Cooper, George, House Maquoketa
Cundill Block Maquoketa
Decker House Hotel Maquoketa
First National Bank Maquoketa
Godard, Milton, House Maquoketa
Hotel Hurst Maquoketa
Hotel Hurst Garage Maquoketa
House at 111 E. Maple Street Maquoketa
Hurst, A. A., House Maquoketa
Hurstville Historic District Maquoketa
IOOF Building Maquoketa
Johnson, Mrs. Lydia, House Maquoketa
Lake, John, House Maquoketa
Lyon Block Maquoketa
Maquoketa Caves State Park Historic District Maquoketa
Maquoketa Free Public Library Maquoketa
Martin, Dr. G. S., House Maquoketa
Merrero Building Maquoketa
Mitchell--Maskrey Mill Maquoketa
New Era Building Maquoketa
Organ, Alexander, House Maquoketa
Perham House Maquoketa
Sanborn, C. M., Building Maquoketa
Squiers, J. E., House Maquoketa
Swigert, W. B., House Maquoketa
Taubman, Henry, House Maquoketa
West Pleasant Street Historic District Maquoketa
Williams, Seneca, Mill Maquoketa
Wilson, Anson, House Maquoketa
Marble Rock Bank Marble Rock
River Street Bridge Marble Rock
Iowa County Courthouse Marengo
Braska House Marion
First Presbyterian Church of Marion, Iowa Marion
Granger House Marion
Grant, Douglas and Charlotte, House Marion
Marion Carnegie Public Library Marion
Mentzer, Joseph P., House Marion
Effigy Mounds National Monument Marquette
Binford, Thaddeus, House Marshalltown
Glick--Sower House Marshalltown
Marshall County Courthouse Marshalltown
Quarry Bridge Marshalltown
Sunday, Robert H., House Marshalltown
Whitehead, C. H., House Marshalltown
Willard, Leroy R., House Marshalltown
Andrus, A. J., Duplex Mason City
City National Bank Building Mason City
First Church of Christ Scientist Mason City
First National Bank of Mason City Mason City
Franke, C. F., House Mason City
Gibson, E. R., House Mason City
Jewell Apartments Mason City
Kirk, The Mason City
Lippert House Mason City
Mason City Public Library Mason City
Norris, F. M., House Mason City
Park Inn Hotel Mason City
Parker's Opera House Mason City
Rock Crest-Rock Glen Historic District Mason City
Romey, George, House Mason City
Rule, Duncan, House Mason City
Rye, Chris, House Mason City
Seney, Charles, House Mason City
Shipley, C. P., House Mason City
State Street Bridge Mason City
Stewart Avenue Bridge Mason City
Stockman, Dr. G. C., House Mason City
Wagner-Mozart Music Hall Mason City
Winnebago River Bridge Mason City
Wolf, Mier, House Mason City
Yelland, Curtis, House Mason City
Youngblood, Tessa, House Mason City
Calamus Creek Bridge Maxwell
Maynard Town Hall and Jail Maynard
Cody Homestead McCausland
American School of Wild Life Protection Historic District McGregor
Goedert Meat Market McGregor
Reynolds, Joseph "Diamond Jo," Office Building and House McGregor
Mederville Bridge Mederville
Hawkeye Creek Bridge Mediapolis
Yellow Spring Creek Bridge Mediapolis
Amana Villages Middle Amana
Indian Fish Weir Middle Amana
Clark, Gerome, House Milford
Gull Point State Park, Area A Milford
Gull Point State Park, Area B Milford
Iowa Lakeside Laboratory Historic District Milford
Okoboji Bridge Milford
Baird, E. J., House Millersburg
Round Barn, Millville Township Millville
Turkey River State Preserve Archeological District Millville
Octagon Barn, Otter Township Milo
Eisenhower Bridge Milton
Byal Orchard Historic District Mingo
Mitchell Powerhouse and Dam Mitchell
Long, J. G. and Regina, House Monroe
Red Bridge Monroe
McDowell Bridge Montezuma
New Carroll House Hotel Montezuma
Poweshiek County Courthouse Montezuma
Ely's Stone Bridge Monticello
Farwell, S. S., House Monticello
Odd Fellows Hall Monticello
Moore's Ford Bridge Monticello City
Saint Barnabas Episcopal Church Montrose
Jones Creek Watershed Historic District Moorhead
Mann School No. 2 Moorhead
Wabash Combination Depot--Moravia Moravia
Bethel Church Morning Star
Ringgold County Courthouse Mount Ayr
Ringgold County Jail Mount Ayr
Allen, G. W. S., House Mount Pleasant
Brazelton House Mount Pleasant
Budde--Singer Building Mount Pleasant
City Hall Mount Pleasant
Cooper, George and Margaret, House Mount Pleasant
First National Bank Mount Pleasant
Harlan House Hotel Mount Pleasant
Harlan-Lincoln House Mount Pleasant
Henry County Courthouse Mount Pleasant
Henry County Savings Bank Mount Pleasant
Louisa Building Mount Pleasant
Masonic Temple Theater Mount Pleasant
Masters Building Mount Pleasant
McCandless Building Mount Pleasant
Mount Pleasant Public Library Mount Pleasant
National State Bank Mount Pleasant
Old Main Mount Pleasant
Timmerman--Burd Building Mount Pleasant
Union Block Mount Pleasant
Zuhn Building Mount Pleasant
Ash Park Historic District Mount Vernon
Beach School Mount Vernon
Cornell College-Mount Vernon Historic District Mount Vernon
King Memorial Chapel Mount Vernon
Mount Vernon Commercial Historic District Mount Vernon
West, Wesley, House Mount Vernon
Martin, Abner, House Mount Zion
Ambler, Henry, House Mt. Pleasant
Ball, Dr. J. O. and Catherine, House Mt. Pleasant
Brazelton House Hotel Mt. Pleasant
Pleasant Lawn School Historic District Mt. Pleasant
Horecky, Henek and Mary, Log Cabin Mt. Vernon
Bowman Livery Stable Muscatine
Clark, Alexander, House Muscatine
Clark-Blackwell House Muscatine
Fay, Pliny and Adelia, House Muscatine
First Presbyterian Church Muscatine
Fuller, W. Joseph, House Muscatine
McKibben, S. M., House Muscatine
Muscatine County Courthouse Muscatine
Old Jail Muscatine
Pine Creek Gristmill Muscatine
Pine Mill Bridge Muscatine
Sinnett Octagon House Muscatine
Trinity Episcopal Church Muscatine
Warde, J. C. B., House Muscatine
Welch Apartments Muscatine
Briggs Terrace Nevada
East Indian Creek Bridge Nevada
Edwards-Swayze House Nevada
Fish Farm Mound Group New Albin
Iron Post New Albin
Reburn, Thomas, Polygonal Barn New Albin
Chickasaw County Courthouse New Hampton
Foley, John, House New Hampton
Peterson Manufacturing Building New London
Honey Creek Friends' Meetinghouse New Providence
New Providence School Gymnasium New Providence
Bridge near New Sharon New Sharon
North Skunk River Bridge New Sharon
St. Boniface of New Vienna Historic District New Vienna
Allee, Jesse J. and Mary F., House Newell
Arthur, Thomas, House Newton
Bergman, August H., House Newton
German Evangelical Reformed Church Newton
Jasper County Courthouse Newton
St. Stephen's Episcopal Church Newton
Big Slough Creek Bridge Nichols
Nichols, Samuel, House Nichols
Odell, Noah, House Nodaway
Hawkeye Street Underpass Nora Springs
Turner, Fred G., House North English
State Quarry, Old North Liberty
White, H. A., General Store and House North Liberty
Old Worth County Courthouse Northwood
Worth County Courthouse Northwood
Lenox Township Church of the New Jersalem Norway
Oakland Mills Bridge Oakland Mills State Park
Florence-Council On The Iowa Site Oakville
Hanson, Alfred, House Oelwein
Hotel Mealey Oelwein
Otter Creek Bridge Oelwein
Stoe Creek Bridge Oelwein
Beaver Creek Bridge Ogden
Monona County Courthouse Onawa
Onawa IOOF Opera House Onawa
Onawa Public L