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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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| Chicago Portage National Historic Site | National Historic Site | 17.2 | Lyons | Illinois |
| Moraine Hills State Park | State Park | 25.8 | McHenry | Illinois |
| Volo Bog State Natural Area | State Natural Area | 26.9 | Grant | Illinois |
| Illinois Beach State Park | State Park | 26.9 | Zion | Illinois |
| Chain OLakes State Park | State Park | 32.3 | Antioch | Illinois |
| Hoosier Prairie State Nature Preserve | State Nature Preserve | 42.4 | Schererville | Indiana |
| Silver Springs State Park | State Park | 44.6 | Yorkville | Illinois |
| Big Foot Beach State Park | State Park | 46.2 | Lake Geneva | Wisconsin |
| Channahon Parkway State Park | State Park | 47.1 | Channahon | Illinois |
| Indiana Dunes State Park | State Park | 49.5 | Chesterton | Indiana |