Serving Congress and the Supreme Court, preserving America's Capitol, and inspiring memorable experiences

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Capitol Rotunda
The U.S. Capitol Rotunda is a large, domed, circular room located 96 feet in...

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Getting Here
Located at the center of Washington, D.C., the U.S. Capitol Building and other...

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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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Engraving showing the first dome of the U.S. Capitol, designed by Charles Bulfinch. By William H. Bartlett, circa 1840.
Architect of the Capitol Stephen T. Ayers, FAIA, LEED AP, remembers one of the...