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

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U.S. Capitol Dome was constructed with 8,909,200 pounds of ironwork bolted together in a masterpiece of American will and ingenuity.
The U.S. Capitol’s dome made of cast iron was designed by Thomas U. Walter and...

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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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Bartholdi's Fountain
Take a walking tour of the U.S. Botanic Garden October 1 at 2 p.m., weather...

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Blog Posts By 'Stephen T. Ayers'

October 22
By: Stephen T. Ayers
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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.
July 23
By: Stephen T. Ayers
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Engraving showing the first dome of the U.S. Capitol, designed by Charles Bulfinch. By William H. Bartlett, circa 1840.
Architect of the Capitol Stephen T. Ayers, FAIA, LEED AP, remembers one of the major players in the history U.S. Capitol, Charles Bulfinch.
February 08
By: Stephen T. Ayers
1 Comments
State of the Union on January 24, 2012
Every winter, Congress has the honor of welcoming the President of the United States to the U.S. Capitol for the annual State of the Union Address. Architect of the Capitol Stephen T. Ayers reflects...
January 22
By: Stephen T. Ayers
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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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