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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,...

Projects

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    First Phase Complete

    More than 300 marble stone carvings replaced unsound and/or missing details on the Senate wing's cornice and column capitals.

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    It's About Time

    Time has taken its toll on the Capitol's stone, but our preservation effort will restore even the finer details, hand-carved…

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    Behind the Capitol Scaffolding

    More than 150 rosettes and more than 50 modillions were replaced on the Senate Extension.

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U.S. Capitol Exterior Preservation - Stone and Metal