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

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The Old Supreme Court Chamber is the first room constructed for the use of the nation's highest judiciary body and was used by the Court from 1810 until 1860. Built by Benjamin Henry Latrobe, it was a significant architectural achievement, for the size and structure of its vaulted, semicircular ceiling were virtually unprecedented in the United States.
The Old Supreme Court Chamber is the first room constructed for the use of the...

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A crowd of people visiting the Capitol during visitor hours
Visitor Hours for the Buildings on Capitol Hill.

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AOC employee assembling a bunch of tiny American flags for a display
Information for Small Businesses interested in doing business with the...

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Susan Dworkin photo.
Learn about climate change and staple foods at noon on October 24 at the U.S...