| Units |
| National Battlefields | Big Hole |
| National Historical Parks | Nez Perce (Multi-State) |
| National Historic Sites | Fort Union Trading Post (Multi-State) |
| Grant-Kohrs Ranch | |
| National Monuments | Little Bighorn Battlefield |
| National Parks | Glacier |
| Yellowstone (Multi-State) | |
| National Recreation Area: | Bighorn Canyon (Multi-State) |
| Non-Units |
| National Historic Trails | Lewis & Clark (Multi-State) |
| Nez Perce (Multi-State) | |
| National Scenic Trails | Continental Divide (Multi-State) |
| Pacific Northwest (Multi-State) | |
| National Geographic Trails | Ice Age Floods (Multi-State) |
| Wild & Scenic Rivers | Flathead |