Stewards of the iconic buildings and grounds of Capitol Hill since 1793.

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The Madison Building serves both as the Library's third major structure and as this nation's official memorial to President James Madison.
Opened in 1980, measuring 500 feet wide and 400 feet deep, the Madison...

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A view of the Capitol Visitor Center lit up at night
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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An AOC worker mowing the grass on the grounds of the U.S. Capitol
The roles and responsibilities of the Architect of the Capitol cover an...

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Detailed view of Piper nigrum plant
Learn how pepper, allspice, cinnamon, cloves and nutmeg became a part of our...

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