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

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The Architect's Virtual Capitol
Explore the buildings of Capitol Hill through a historic timeline, videos and...

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Guided Tours: Buildings on Capitol Hill
Official Tours of the U.S. Capitol Building are offered Monday through...

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Benjamin Henry Latrobe
Benjamin Henry Latrobe was hired by President Jefferson in 1803 to fill the...

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