The following sites are listed on the National Register of Historic Places. Below the list is a map depicting each location, which can be clicked for more information. You may need to zoom in to see all available icons.
| Cache River Bridge | Portia School |
| Clover Bend Historic District | Powhatan Courthouse |
| Commandant’s House | Powhatan Jail |
| Dr. F. W. Buercklin House | Powhatan Methodist Church |
| Dr. John Octavius Hatcher House | Powhatan School House |
| Ficklin-Imboden House | Smithville Public School Building |
| Home Economics/F.F.A. Building | St. Louis-San Francisco Overpass |
| Imboden Methodist Episcopal Church | Telephone Exchange Building |
| Missouri-Pacific Depot | US 63 Black River Bridge |
| Old US 67, Alicia to Hoxie | Walnut Ridge Commercial Historic District |
| Old Walnut Ridge Post Office |
