| Units |
| National Historic Sites | Fort Smith (Multi-State) |
| Little Rock Central High School | |
| President William Jefferson Clinton Birthplace Home | |
| National Memorials | Arkansas Post |
| National Military Parks | Pea Ridge |
| National Parks | Hot Springs |
| National Rivers | Buffalo |
| Non-Units |
| National Historic Trails | Butterfield Overland (Multi-State) |
| Trail of Tears (Multi-State) |