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

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About the U.S. Capitol
The United States Capitol Building is located in Washington, D.C., at the...

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Capitol Visitor Center
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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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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The AOC is responsible for nearly 600,000 square feet of windows
Architect of the Capitol Stephen T. Ayers reflects on the almost 600,000 square...