National Historic Landmark

Independence National Historical Park in Philadelphia, one of the nation's most visited National Historic Landmark Districts
Navajo Nation Council Chamber, the seat of government for Navajo Nation in Window Rock, Arizona

A National Historic Landmark (NHL) is a building, district, object, site, or structure that is officially recognized by the United States government for its outstanding historical significance. Only some 2,500, or roughly three percent, of over 90,000 places listed on the country's National Register of Historic Places are recognized as National Historic Landmarks.

A National Historic Landmark District may include contributing properties that are buildings, structures, sites or objects, and it may include non-contributing properties. Contributing properties may or may not also be separately listed.


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