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

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About the U.S. Capitol
The United States Capitol Building is located in Washington, D.C., at the...

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Visitor Hours for the Buildings on Capitol Hill
Visitor Hours for the Buildings on Capitol Hill.

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The AOC maintains the grounds of the U.S. Capitol
The roles and responsibilities of the Architect of the Capitol cover an...

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Frankie the Bee
Come learn about the USBG's endangered species and native plant collections

What's New

Press Room

Recent News

Jul 10, 2014
Monday, July 21 - Final Update: AOC's contractor completed work in the East Grand Staircase on the House side of the...
Ari Novy
Jul 09, 2014
The Architect of the Capitol announces the selection of Ari Novy, Ph.D., as Executive Director of the United States Botanic...
Jun 23, 2014
June 24, 2014 – A ceremony commemorating the 50th Anniversary of the 1964 Civil Rights Act and Congressional Gold Medal...
Nov 08, 2010
Architect of the Capitol Stephen T. Ayers, AIA, LEED AP, announced that...
Aug 15, 2010
Blooming cherry trees, tulips, magnificent oaks and magnolias—these are...
May 12, 2010
On May 12, 2010, the United States Senate, by unanimous consent, confirmed...
Mar 13, 2010
  The iconic “Walter dome” atop the Capitol is recognized around the world...
Feb 24, 2010
President Obama today officially nominated Stephen T. Ayers, AIA, LEED AP...
Aug 11, 2009
Under Mr. Ayers’ leadership, the AOC has implemented several programs to...
Jul 01, 2009
Acting Architect of the Capitol, Stephen T. Ayers, AIA, LEED AP, announced...
May 12, 2009
The Office of the Architect of the Capitol has installed new bicycle racks...

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