List of National Historic Landmarks in Illinois
There are 87 National Historic Landmarks in Illinois, including Eads Bridge, which spans into Missouri and which the National Park Service credits to Missouri's National Historic Landmark list. Also included are two sites that were once National Historic Landmarks before having their designations removed. All National Historic Landmarks are listed on the National Register of Historic Places.Current NHLs in Illinois
The following is a complete list of Illinois' National Historic Landmarks. They are listed here under their National Historic Landmark program names.Former NHLs in Illinois
