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| Lighthouse |
| Metro and City Park |
| National Forest |
| National Historic Landmark |
| National Historic Site |
| National Historical Park |
| National Memorial |
| National Park |
| National Recreation Area |
| National Seashore |
| National Wildlife Area |
| National Wildlife Refuge |
| State Fish Hatchery |
| State Fishery Area |
| State Forest |
| State Historic Site |
| State Memorial |
| State Natural Area |
| State Nature Preserve |
| State Nursery |
| State Park |
| State Preserve |
| State Recreation Area |
| State Reserve |
| State Wildlife Area |
| State Wildlife Management Area |
| State Wildlife Refuge |
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| Olson National Wildlife Refuge | National Wildlife Refuge | 17.8 | Knox | North Dakota |
| Volk National Wildlife Refuge | National Wildlife Refuge | 17.9 | York | North Dakota |
| Carr National Wildlife Refuge | National Wildlife Refuge | 20.3 | Knox | North Dakota |
| Meyer Township National Wildlife Refuge | National Wildlife Refuge | 20.6 | Rugby | North Dakota |
| Wurgler National Wildlife Refuge | National Wildlife Refuge | 22.5 | Knox | North Dakota |
| Pleasant Lake National Wildlife Refuge | National Wildlife Refuge | 23.7 | Pleasant Lake | North Dakota |
| Boyer National Wildlife Refuge | National Wildlife Refuge | 26.5 | Rugby | North Dakota |
| Juniata National Wildlife Refuge | National Wildlife Refuge | 31.3 | Rugby | North Dakota |
| Silver Lake National Wildlife Refuge | National Wildlife Refuge | 33 | Churchs Ferry | North Dakota |
| Hurricane Lake National Wildlife Refuge | National Wildlife Refuge | 34.5 | York | North Dakota |