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

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History of the Capitol Grounds
Landscape Architect Frederick Law Olmsted designed the U.S. Capitol Grounds in...

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Prohibited Items at the U.S. Capitol Building
In order to ensure the safety of visitors and staff and to preserve the...

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Stephen T. Ayers, FAIA, LEED AP, Architect of the Capitol
On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...

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Nitrate vault at the Library of Congress Packard Campus
The Architect of the Capitol (AOC) is responsible for managing all of the...

Buildings