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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Photo of Dome damage and scaffolding.
As scaffolding installation is completed on the Capitol Dome, the restoration...

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The United States Capitol in 1846, with its original dome designed by Charles Bulfinch
Throughout the U.S. Capitol Building’s 220-year history, there have been many...

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