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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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| Mont Alto State Park | State Park | 2.4 | Mont Alto | Pennsylvania |
| Caledonia State Park | State Park | 6.9 | Fayetteville | Pennsylvania |
| Michaux State Forest | State Forest | 12.1 | Shippensburg | Pennsylvania |
| Gettysburg National Historical Park | National Historical Park | 13.5 | Gettysburg | Pennsylvania |
| Greenbrier State Park | State Park | 19.6 | Boonsboro | Maryland |
| Pine Grove Furnace State Park | State Park | 21 | Gardners | Pennsylvania |
| Washington Monument State Park | State Park | 22.2 | Middletown | Maryland |
| Big Spring State Fish Hatchery | State Fish Hatchery | 23.3 | Newville | Pennsylvania |
| Kings Gap State Park | State Park | 23.8 | Carlisle | Pennsylvania |
| Gambrill State Park | State Park | 23.9 | Frederick | Maryland |