Serving Congress and the Supreme Court, preserving America's Capitol, and inspiring memorable experiences

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Cannon House Office Building
The Cannon House Office Building, completed in 1908, is the oldest...

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Map of Capitol Hill
View a map of the U.S. Capitol and other buildings and grounds cared for by the...

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Dr. William Thornton
 The Architect of the Capitol (AOC) is the builder and steward of America’s...

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Earth Day Celebration at the U.S. Botanic Garden
Join the United States Botanic Garden for an Earth Day Celebration on the...