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Visitors can tour many highlights on Capitol Hill without registering.

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Official painted portrait of 11th Architect of the Capitol Stephen T. Ayers.
On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...

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Close-up view of bronze door handle in the shape of a snake. Once part of the entrance to the U.S. Capitol's House chamber.
At a critical time in the U.S. Capitol's evolution, there was a Capitol...
  • Cannon Renewal Project

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    A Refreshed Rotunda

    The Cannon Building rotunda has been returned to its original appearance from 1908.

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  • Cannon Renewal Project

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    Historic Preservation

    The Cannon Renewal is an example of the AOC's commitment to preserving our nation's history. Watch the video.

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  • Cannon Renewal Project

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    Revealing a Tiled Treasure

    How an immigrant family left their mark on the Capitol campus, and our work to preserve a historic treasure.

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  • Cannon Renewal Project

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    Stopple Valve System

    By deploying this new technology, a tremendous amount of natural resources will be saved.

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