See also: National Register of Historic Places listings in Iowa. The List of National Historic Landmarks in Iowa contains the landmarks designated by the U.S. Federal Government for the U.S. state of Iowa.
There are 28 National Historic Landmarks (NHLs) in Iowa.
National Historic Landmark | |||
National Historic Landmark District | |||
National Historical Park | |||
ยง | National Historic Site | ||
Delisted Landmark |
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