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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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The Architect of the Capitol’s challenge is unique – maintaining aging, iconic buildings; adapting state-of-the-art technology; and increasing responsiveness to environmental, security and safety considerations in a rich historical setting.
The Architect of the Capitol's challenge is unique – maintaining aging, iconic...

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In the U.S. Capitol Rotunda, looking up towards the Apotheosis of Washington.
The Rotunda will be temporarily closed following the final tour on Saturday,...

Architecture

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    The Library's HVAC Aces

    Being successful in this line of work is about more than overcoming hot and cold conditions.

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    Rising High – AOC's Elevator Mechanics

    The elevators at the Library of Congress could be a museum exhibit of their own.

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    Inspired by the Past, Preserving for the Future

    Meet the AOC's decorative painters at the LOC who work to preserve the ornate designs of one of the world's…

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    The National Audio-Visual Conservation Center

    The 140,000 reels of film is housed in collections, conservation and nitrate vaults.

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Library of Congress