National Park Service
North Dakota National Park Sites
| National Historic Sites: | Fort Union Trading Post (Multi-State) |
| Knife River Indian Villages | |
| National Parks: | Theodore Roosevelt |
| National Heritage Areas (Non-Unit): | Northern Plains |
| National Historic Trails (Non-Unit): | Lewis & Clark (Multi-State) |
| National Scenic Trails (Non-Unit): | North Country (Multi-State) |
| Other Sites (Non-Unit): | International Peace Garden |