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

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Senators sitting in two story Senate Chamber.
The Senate Chamber is a rectangular, two-story room located in the center of...

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Snapshot of a crowd of people on a guided tour through the Rotunda of the U.S. Capitol
Official Tours of the U.S. Capitol Building are offered Monday through...

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East Front of the U.S. Capitol Building
AOC’s annual Performance and Accountability Report provides the results of the...

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Bartholdi's Fountain
Take a walking tour of the U.S. Botanic Garden October 1 at 2 p.m., weather...
The Capitol Christmas Tree has been a tradition at the U.S. Capitol since 1964.
The U.S. Capitol Dome is undergoing a multi-year restoration.
AOC masons give much needed repair to the Olmsted Terrace walls around the Capitol Building.
Caring for the iconic landmarks, buildings and grounds of Capitol Hill.
2011 Tree Photo
Scaffolding reaches the Statue of Freedom
AOC Masons Place End Cap on Olmsted Terrace Wall
Decorative Painters in the Old Senate Chamber
2011 Tree Photo
The Capitol Christmas Tree has been a tradition at the U.S. Capitol since 1964.
Scaffolding reaches the Statue of Freedom
The U.S. Capitol Dome is undergoing a multi-year restoration.
AOC Masons Place End Cap on Olmsted Terrace Wall
AOC masons give much needed repair to the Olmsted Terrace walls around the Capitol Building.
Decorative Painters in the Old Senate Chamber
Caring for the iconic landmarks, buildings and grounds of Capitol Hill.
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