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

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U.S. Capitol Dome
The U.S. Capitol’s dome made of cast iron was designed by Thomas U. Walter and...

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

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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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Early House of Representatives Chamber (artist representation)
Too hot or too cold – there is no pleasing everyone when it comes to the right...

History of Capitol Hill