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

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Black and white picture of the Capitol being built on Capitol Hill in 1793.
The U.S. Capitol was built atop Jenkins’ Hill, now often referred to as “...

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Screenshot of Google Maps image of United States Capitol and surrounding areas.
Located at the center of Washington, D.C., the U.S. Capitol Building and other...

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The AOC maintains the grounds of the U.S. Capitol
The roles and responsibilities of the Architect of the Capitol cover an...

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Bartholdi's Fountain
Take a walking tour of the U.S. Botanic Garden October 1 at 2 p.m., weather...

Doing Business with AOC