National Park Service
Illinois National Park Sites
| National Monuments: | Emmett Till and Mamie Till-Mobley |
| National Historic Sites: | Lincoln Home |
| New Philadelphia | |
| National Historical Parks: | Pullman |
| National Heritage Areas (Non-Unit): | Abraham Lincoln |
| Illinois and Michigan | |
| National Historic Sites (Non-Unit): | Chicago Portage |
| National Historic Trails (Non-Unit): | Lewis & Clark (MS) |
| Mormon Pioneer (MS) | |
| Trail of Tears (MS) |