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

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Cannon House Office Building
The Cannon House Office Building, completed in 1908, is the oldest...

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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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Generator Progress May 2014
Work is underway at the northwest corner of the Library of Congress John Adams...

U.S. Capitol Building

The United States Capitol Building is located in Washington, D.C., at the eastern end of the National Mall on a plateau 88 feet above the level of the Potomac River. Learn about the history, art and architecture of the U.S. Capitol Building here, and take an interactive look at the building through the Architect's Virtual Capitol.

For information on touring the U.S. Capitol building visit: www.visitthecapitol.gov.

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