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

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A crowd of visitors walking through the Capitol Visitor Center.
The U.S. Capitol Visitor Center provides a welcoming and educational...

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A crowd of people visiting the Capitol during visitor hours
Visitor Hours for the Buildings on Capitol Hill.

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AOC employee assembling a bunch of tiny American flags for a display
Information for Small Businesses interested in doing business with the...

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The East Front of the U.S. Capitol at Dusk
The AOC works to make the Capitol Dome, an enduring symbol of democracy...

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U.S. Capitol Map

U.S. Capitol Map

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