National Historic Landmarks

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Tudor Place

Tudor Place on a summer day in 2017 Perched on a ridge in Washington, D.C.'s historic and exclusive Georgetown neighborhood, Tudor Place...

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Othniel C. Marsh House

This mansion was once home to America's most groundbreaking paleontologist, whose discoveries sparked a nationwide interest in the field

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Old Swedes Church

Completed in 1698 and still in use today, this National Historic Landmark is significant for its English field-style architecture, status as

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The Thomas B. Reed House

A stately townhouse in downtown Portland, Maine is the former home of the House Speaker that changed the rules of the American legislative p

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Jackson Square

This picture perfect postcard view of New Orleans has been the social and political center of the Big Easy for centuries

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Arthur Holly Compton House

Arthur Holly Compton was a groundbreaking American physicist, winner of the 1927 Noble Prize in physics, one of the Manhattan Project scient

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Westland: The Grover Cleveland Home

The Westland Mansion in February 2016 Westland is the home in Princeton, New Jersey that President Grover Cleveland retired to following...

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What Are National Historic Landmarks?

National Historic Landmarks (NHLs) represent the most elite selection of historic places in the United States. These are buildings, sites, s