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

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About the Grounds
The United States Capitol Building is located in a 58-acre park that was...

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Getting Here
Located at the center of Washington, D.C., the U.S. Capitol Building and other...

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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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Government Island
AOC Public Affairs Officer Matt Guilfoyle walks in the footsteps of the masons...