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Black and white picture of Frederick Law Olmsted  best known for designing the grounds of New York City’s Central Park, the U.S. Capitol in Washington, D.C., the Biltmore Estate in North Carolina, and the 1893 World’s Columbian Exposition in Chicago.
Regarded as the founder of American landscape architecture, Frederick Law...

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Visitor Guide Gives Tour of Rotunda
Please note: Many of these Capitol Hill buildings are working office buildings...

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Photo of Stephen T. Ayers, FAIA, LEED AP, Architect of the Capitol in front of the Capitol Building
On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...

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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...

Our Blog

Read a blog about the art, architecture and work on the Capitol Hill written by AOC's experts.

  • Tower crane being installed at the Cannon House Office Building.

    Bringing Cannon Back to the Future

    By: Sarah Bublitz

    Categories: Buildings & Grounds, Projects

    High in the sky, about 50 feet above the roof, a crane is peeking out of the Cannon House Office Building.

    April 21, 2015

  • President Lincoln's funeral procession.

    The Lincoln Catafalque in the U.S. Capitol

    By: Barbara Wolanin

    Categories: History

    To commemorate the 150th anniversary of Abraham Lincoln’s death, AOC Curator Barbara Wolanin details the days he lay in state at the U.S. Capitol.

    April 15, 2015

  • Molten cast iron heated to more than 2,500 degrees is poured into the mold.

    Expert Metalwork Revealed in Restoration of the U.S. Capitol Dome

    By: Joe Abriatis

    Categories: Projects

    Last week, I had an opportunity to travel to the foundry in Salt Lake City and see firsthand how the work to re-create decorative ornaments on the Dome is done.

    April 10, 2015

  • Capitol Sunset November 2014

    A Few of 2014's Favorite Things

    By: Sarah Bublitz

    Categories: About AOC, Photography

    From February's heavy snowfall to October's blood moon eclipse, take a look back at some popular moments of 2014 through the AOC's Instagram and Flickr images.

    December 22, 2014

Cara and the Chocolate Tree

Posted by Lee Coykendall on September 16, 2014

Cara holding her chocolate tree.
With Sprouts at the U.S. Botanic Garden, children learn about the magical world of plants.

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Anne Frank Tree at the Capitol

Posted by Sharon Gang on July 21, 2014

Anne Frank Tree and marker planted in the ground in front of the Capitol
One of Anne’s few connections to the outside world while hiding in the secret annex was a nearby white chestnut tree which she could see from the attic window.

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What's hiding in National Statuary Hall?

Posted by Sharon Gang on May 20, 2014

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.

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National Garden Highlights Regional Plants and Sustainable Practices

Posted by Matt Guilfoyle on May 12, 2014

AOC working cleaning the National Garden
Conceived as an outdoor laboratory for gardening in harmony with natural ecosystems, the National Garden opened to the public on October 1, 2006.

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Saving Energy, Preserving History

Posted by Alesia Call on April 1, 2014

West Front of Capitol in March with blue skies and clouds
Here at the Architect of the Capitol (AOC), our challenge is unique – we must maintain aging, iconic buildings while adapting to state-of-the-art technology and increasing responsiveness to environmental, security and safety considerations in a rich historical setting.

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