| Units |
| National Historical Parks | Weir Farm |
| National Scenic Trails | Appalachian (Multi-State) |
| New England (Multi-State) |
| Non-Units |
| National Heritage Areas | Last Green Valley (Multi-State) |
| National Historic Trails | Wash.-Roch. Rev. Route (Multi-State) |
| Wild & Scenic Rivers | Eightmile |
| Farmington (West Branch) |