Capitol Hill is well-known as the neighborhood of Speakers of the House, United States Senators, and Supreme Court Justices. Its long and varied history has contributed to its designation as a historic district, and has enabled numerous properties to become nationally-recognized landmarks.

This tour is a collection of National Historic Landmarks (NHLs) in the Capitol Hill neighborhood of Washington, D.C., From Navy Yard to the Supreme Court, this tour explores historic properties with national significance. Consider how these sites connect to the story of America, and what nationally-significant sites along the way may be missing. This tour can be completed by walking, public transport, or car. It is advised to map out your route to determine distance before beginning.

NHLs are ultimately designated by the Secretary of the Interior, upon the recommendation of the National Park System Advisory Board, and are evaluated based on their history, integrity of the property, and their value to the broader American historical narrative. There are currently around 2,600 NHLs, with 75 in the District alone.