| Units |
| National Historic Sites | Fort Laramie |
| National Monuments | Devils Tower |
| Fossil Butte | |
| National Parks | Grand Teton |
| Yellowstone (Multi-State) | |
| National Recreation Areas | Bighorn Canyon (Multi-State) |
| Parkways | John D. Rockefeller |
| Non-Units |
| National Historic Trails | California (Multi-State) |
| Mormon Pioneer (Multi-State) | |
| Nez Perce (Multi-State) | |
| Oregon (Multi-State) | |
| Pony Express (Multi-State) | |
| National Scenic Trails | Continental Divide (Multi-State) |
| Wild & Scenic Rivers | Snake River Headwaters |