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Visitors can tour many highlights on Capitol Hill without registering.
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At the AOC we are leading the effort to conserve energy across Capitol Hill.
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What had previously been an unusable outdoor tennis court on the Dirksen Senate...
  • 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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    Phase 2 Closures - North Wing

    Access to all floors, including the basement, in this area of the building will be unavailable until work is complete.

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  • 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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    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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