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The Hart Senate Office Building is the third office structure designed and built to serve the United States Senate.
The Hart Senate Office Building is the third office structure designed and...

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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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Painted portrait of Dr. William Thornton
The Architect of the Capitol (AOC) is the builder and steward of America’s...

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Susan Dworkin photo.
Learn about climate change and staple foods at noon on October 24 at the U.S...

Explore Capitol Hill

  • Featured

    Saving Life & Limb: AOC Arborists

    Their official job titles are Tree Surgeon and they work to keep their patients alive for hundreds of years.

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    Grant Memorial Restoration

    Starting spring 2015, the AOC will begin conservation efforts to restore the bronze monuments of the Grant Memorial located in Union Square.

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    Meet the Carillonneur of the Capitol

    Jim Saenger, the Capitol’s Carillonneur, has perhaps one of the most unique and least visible jobs on the Hill.

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    Olmsted Terrace Preservation

    The AOC is starting a five-phased project that will repair the masonry at the terrace walls.

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Capitol Grounds