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

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Outside view of the Longworth House Office Building with a clear blue sky in the background.
Longworth House Office Building
Completed in the spring of 1933, the Longworth House Office Building is the...
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A crowd of people visiting the Capitol during visitor hours
Visitor Hours
Please note: Many of these Capitol Hill buildings are working office buildings...
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Clive Atyeo, Gardener, USBG
Working at the AOC
Information about working for the Architect of the Capitol:
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Band Photo
Live Seasonal Music
Evenings at the Conservatory are magical! Join us Tuesdays and Thursdays...
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Capitol Dome Images