Contributing property
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In the law regulating historic districts in the United States, a contributing property or contributing resource is any building, object, or structure which adds to the historical integrity or architec
The Freedman's Bank Building in Washington, D.C., previously known as the Treasury Annex, is a contributing property to the Lafayette Square Historic District and Financial Historic District.
Plaque acknowledging Little Red Schoolhouse as a contributing property to Newberry Historic District in Newberry, Florida
This medical clinic building in the East Grove Street District in Bloomington, Illinois is an example of a non-contributing property.
National Historic Landmark
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A National Historic Landmark 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,
Independence National Historical Park in Philadelphia, one of the nation's most visited National Historic Landmark Districts
The Navajo Nation Council Chamber, the seat of government for Navajo Nation in Window Rock, Arizona, was declared a National Historic Landmark in 2004.
The Titan Missile Museum in Tucson, Arizona, a National Historic Landmark
Central Park in New York City, a prominent National Historic Landmark; New York City has 116 NHLs, more than any other city in the U.S.