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Photograph of people walking outside on a Self-Guided Tour of Capitol Hill
Visitors can tour many highlights on Capitol Hill without registering.

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On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...

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The U.S. Botanic Garden Production Facility full of plants
AOC's Erin Nelson ventures outside the U.S. Capitol to explore the U.S....

For Researchers & Students

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    Virtual Capitol

    Explore the buildings of Capitol Hill through a historic timeline...

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    Capitol Hill Neoclassical Architecture

    The definitive architectural style on Capitol Hill is neoclassical...

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    Capitol Rotunda

    The U.S. Capitol Rotunda is a large, domed, circular room 96 feet in...

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For Researchers and Students