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

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Outside view of the U.S. Botanic Garden Conservatory and sign.
From jungle to desert to primeval paradise, the indoor gardens and galleries...

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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 members holding the Historic Preservation Award that they received
The Architect of the Capitol strives to perform all work at a high level of...

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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...