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In the late 19th century the architectural style of the Thomas Jefferson Building was said to be "Italian Renaissance." Today, it is recognized as a premier example of the Beaux Arts style, which is theatrical, heavily ornamented and kinetic. It is a style perfectly suited to a young, wealthy, and imperialistic nation in its Gilded Age.
The Library of Congress began in 1800 with a small appropriation to buy...

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A virtual Map of Capitol Hill from above
A map of the U.S. Capitol and other buildings and grounds cared for by the...

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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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Photo of Dr. Novy giving a tour.
Join USBG Executive Director Dr. Ari Novy on an expedition through the...

Explore Capitol Hill

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    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 has started a five-phased project that will repair the masonry at the terrace walls.

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Capitol Grounds