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
Please note: Many of these Capitol Hill buildings are working office buildings...

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Photo of Capitol Hill steps.
Download a PDF of the full list.

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Nitrate vault at the Library of Congress Packard Campus
The Architect of the Capitol (AOC) is responsible for managing all of the...