Stewards of the iconic buildings and grounds of Capitol Hill since 1793.

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This painting by Allyn Cox depicts the cornerstone laying ceremony and is currently on display in the House Wing of the U.S. Capitol Building.
The cornerstone was laid on Wednesday, September 18, 1793, during the first...

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

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

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Slave Labor Commemorative Marker in Emancipation Hall at the U.S. Capitol Visitor Center.
Interpreters in Exhibition Hall and Emancipation Hall use a variety of hands-on...

Tours

Free tours of the inside of the historic U.S. Capitol Building begin at the Capitol Visitor Center. Advance reservations are highly recommended either though your Member of Congress or www.visitthecapitol.gov (only a limited number of same-day tickets are available at the Capitol Visitor Center). The Capitol grounds are open 24 hours-a-day every day of the year, with the exception of special events. Other venues on Capitol Hill offer guide-led and self-guided tours including the Library of Congress and Supreme Court.  

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