Iowa - Architectural style - Greek Revival architecture
| Adams County Jail |
| Allamakee County Courthouse |
| Barrows, Edward S., House |
| Belknap, Gen. William Worth, House |
| Benton, Richard, House |
| Big Creek Schoolhouse |
| Bostick, William, House |
| Brammer Grocery Store |
| Braska House |
| Brown, James, House |
| Bryan, Alden, House |
| Carter House |
| Case, Larnerd, House |
| Cassel, Carl and Ulrika Dalander, House |
| Central Vinton Residential Historic District |
| Claussen, William, House |
| Clifton |
| Cody Homestead |
| College Hall |
| Collins-Bond House |
| Cook-Johnson House |
| Cork Hill District |
| Curtis, Gen. Samuel R., House |
| Eldridge, D. C., House |
| First Baptist Church of West Union |
| Gaspard, D. Julius, House |
| Glaspell, Isaac, House |
| Goering, Jacob, House |
| Grinnell, Levi P., House |
| Hall, Hannah Morse Fowler, House |
| Hall, Israel, House |
| Hebert, Louis, House |
| Heinz, Bonaventura, House (second) |
| Henne, Robert, House |
| Henn Mansion |
| Hiller Building |
| Hoffman Building |
| House at 111 E. Maple Street |
| House at 2123 W. Second Street |
| Hulme, Samuel and Sarah, House |
| I.O.O.F. Hall |
| Jackson County Courthouse |
| Kvindherred Lutheran Church, School and Cemetery |
| Lamm-Pollmiller Farmstead District |
| Lee County Courthouse |
| Letovsky-Rohret House |
| Lewelling, Henderson, House |
| Lippincott, John, House |
| Lueschen, John, House |
| McCartney, James H. and Mayetta (Degrush), House |
| McClaine House |
| McElhinny House |
| McHarg, Joseph S., House |
| McKinney House |
| Milwaukee and St. Paul Railway Combination Depot |
| Mount Saint Bernard Seminary and Barn |
| Nishnabotna Ferry House |
| Old Capitol |
| Old Mill House |
| Pahl, Henry, House |
| Perham House |
| Peters, J. C., House |
| Plum Grove |
| Potter-Williams House |
| Poweshiek County Courthouse |
| Prien Building |
| Raible, F. J., House |
| Rector, Jason and Elizabeth Baylor, House |
| Rose Hill |
| Saints Peter and Paul Catholic Church |
| Schebler, Richard, House |
| Scholte, Dominie Henry P., House |
| Smith, James, House |
| Spencer, Roswell, House |
| St. Anthony's Roman Catholic Church Complex |
| St. Mary's Rectory |
| Swan, George B., House |
| Taubman, Henry, House |
| Taylor-Van Note |
| Tevoet, Lambert, House |
| Union Bakery |
| Van Buren County Courthouse |
| Warde, J. C. B., House |
| Wentz, Jacob, House |
| Worley, Philip, House |
Data from United States Park Service and Wikidata