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

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The Cannon House Office Building, completed in 1908, is the oldest congressional office building as well as a significant example of the Beaux Arts style of architecture.
The Cannon House Office Building, completed in 1908, is the oldest...

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A view of the Capitol Visitor Center lit up at night
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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Photo of AOC employee Richard Edmonds.
  The Architect of the Capitol magazine, Foundations & Perspectives,...

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AOC working cleaning the National Garden
The National Garden is a treasure for everyone.

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