| Units |
| National Battlefields | Tupelo |
| National Battlefield Sites | Brices Cross Roads |
| National Historical Parks | Natchez |
| National Military Parks | Shiloh (Multi-State) |
| Vicksburg | |
| National Monuments | Emmett Till and Mamie Till-Mobley |
| Medgar and Myrlie Evers Home | |
| National Scenic Trails | Natchez Trace (Multi-State) |
| National Seashores | Gulf Islands (Multi-State) |
| Parkways | Natchez Trace Parkway (Multi-State) |
| Non-Units |
| National Historic Areas | Mississippi Delta |
| Mississippi Gulf Coast | |
| Mississippi Hills |