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The Architect's Virtual Capitol
Explore the buildings of Capitol Hill through a historic timeline, videos and...

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The Summerhouse on the Capitol Grounds surrounded by pink azalea flowers.
A few ideas to help you in planning a visit to Capitol Hill.

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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 a Roots and Reflections tour at the U.S. Botanic Garden.
The U.S. Botanic Garden is committed to welcoming every visitor by providing...

Explore Capitol Hill

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    History with a Side of Mystery: the Rotunda Benches

    The benches of the Capitol Rotunda have also called a few other locations home over the years.

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    Crumbling Down and Building Up

    To address this stone pandemic across the Capitol campus takes a team of historic preservationists, structural engineers and stonemasons, among others.

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    How the Crypt Got its Name

    This brightly lit circular room below the Rotunda is one of the most heavily used circulation spaces in the building, its sandstone floor trodden by hundreds every day.

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U.S. Capitol Building