Iowa - Architectural style - vernacular architecture
| Armstrong, Robert and Esther, House |
| Bassnett-Nickerson House |
| Bethel Church |
| Big Mill Homestead |
| Brownlie, Alexander, House |
| Busch, Diedrich, House |
| Butterworth, Nathaniel, House |
| Cameron, W. S., House |
| Carr, William V., House |
| Cawley, James, House |
| Columbus Junction School 1882-1920 |
| Darwin, Mary, House |
| DeFries House, Barn and Carpenter Shop |
| Delmar Calaboose |
| Dyas, William, Barn |
| Ewert, Ferdinand, Building |
| Findley, William, House |
| First Lutheran Church |
| Fritz Chapel |
| Jackson County Jail |
| """Lockkeeper's"" House" |
| Lubben, Henry, House, Smokehouse and Springhouse |
| Maysville Schoolhouse |
| McMahon House |
| Moyce-Steffens House |
| Nichols, Samuel, House |
| Roling, Henry, House |
| Sac County Courthouse |
| Schindhelm-Drews House |
| Schroeder Bros, Meat Market |
| Sieben, Mrs. Margaret, House |
| Slye, Thomas, House |
| Smith-Johnson House |
| Spurgin Residence |
| Stone House |
| Upper Paradise |
| Wilson District #7 School |
| Wood, Jeremiah, House |
| Woods, Oscar C., House |
| Wright County Courthouse |
Data from United States Park Service and Wikidata