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

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The National Garden provides "living laboratories" for environmental, horticultural, and botanical education in a contemplative setting.
The National Garden was created as a place for visitors to experience the...

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View of the U.S. Capitol Building from above at dusk
In order to ensure the safety of visitors and staff and to preserve the...

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East Front of the U.S. Capitol Building
AOC’s annual Performance and Accountability Report provides the results of the...

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The Capitol Crypt, which now houses statuary and exhibitions, was once used as an informal storage space where bicycles were parked, seen here circa 1900.
The term “crypt” has long referred to a space beneath the main floor of a...