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

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The U.S. Capitol Rotunda is a large, domed, circular room located 96 feet in diameter and 180 feet in height located in the center of the United States Capitol on the second floor.
The U.S. Capitol Rotunda is a large, domed, circular room 96 feet in diameter...

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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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Painted Portrait of Benjamin Henry Latrobe
Benjamin Henry Latrobe was hired by President Jefferson in 1803 to fill the...

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Photo of US Capitol Building made of plant materials.
The U.S. Botanic Garden’s annual holiday exhibit is on display November 27...

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Blog Posts Categorized 'Architecture'

May 20, 2014
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AOC employee working on touching up columns in Statuary Hall
Next time you're in Statuary Hall on the second floor of the U.S. Capitol near the House Chamber, look closely.
October 22, 2013
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View of the U.S. Capitol Dome with light in the windows
Architect of the Capitol Stephen T. Ayers, FAIA, LEED AP, reflects on the AOC's effort to restore the U.S. Capitol Dome.
June 18, 2013
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Early House of Representatives Chamber (artist representation)
Too hot or too cold – there is no pleasing everyone when it comes to the right temperature in the office. But while today the AOC provides a climate-controlled environment to the buildings of Capitol...
March 04, 2013
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The Capitol Crypt, which now houses statuary and exhibitions, was once used as an informal storage space where bicycles were parked, seen here circa 1900.
The term “crypt” has long referred to a space beneath the main floor of a church or a chamber in a mausoleum. For many of us it suggests somber, stony silence and perhaps dusty coffins. The Capitol...
January 22, 2013
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The AOC is responsible for nearly 600,000 square feet of windows
Architect of the Capitol Stephen T. Ayers reflects on the almost 600,000 square feet of windows – of all different shapes, size and age – cared for by the AOC.
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