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The United States Capitol Building is located in a 58-acre park that was landscaped by Frederick Law Olmsted during the period 1874-1892.
The United States Capitol Building is located in a 58-acre park that was...

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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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"Exposed: The Secret Life of Roots" graphic.
This special exhibit at the U.S. Botanic Garden is on display February 21...

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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  • Featured

    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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  • Featured

    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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  • Featured

    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