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

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Thomas Jefferson Building
The Library of Congress began in 1800 with a small appropriation to buy...

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Visitor Hours for the Buildings on Capitol Hill
Visitor Hours for the Buildings on Capitol Hill.

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The AOC maintains the grounds of the U.S. Capitol
The roles and responsibilities of the Architect of the Capitol cover an...

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The Capitol at night.
Maintenance to electrical systems in the Capitol Building. This work is not...