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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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Close-up detail photo with Statue of Freedom during conservation in 1993.
An in-depth look at the evolution of women in art at the U.S. Capitol. First...
  • Architecture

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    What's hiding in National Statuary Hall?

    Next time you're in Statuary Hall on the second floor of the U.S. Capitol near the House Chamber, look closely.

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  • Architecture

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    Constructing the Capitol: The Oven

    Today, we can provide a climate-controlled environment to the buildings of Capitol Hill, but this wasn't always the case.

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  • Architecture

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    Windows of Capitol Hill

    We care for almost 600,000 sq. ft. of windows – of all different shapes, size and age.

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