| Units |
| National Battlefields | Wilson's Creek |
| National Historic Sites | Harry S Truman |
| Ulysses S. Grant | |
| National Parks | Gateway Arch |
| National Monuments | George Washington Carver |
| National Rivers | Ozark |
| Non-Units |
| National Heritage Areas | Freedoms's Frontier (Multi-State) |
| National Historic Trails | Butterfield Overland (Multi-State) |
| California (Multi-State) | |
| Lewis & Clark (Multi-State) | |
| Oregon (Multi-State) | |
| Pony Express (Multi-State) | |
| Santa Fe (Multi-State) | |
| Trail of Tears (Multi-State) |