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Visitors can tour many highlights on Capitol Hill without registering.

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A group of visitors walking in in front of the Capitol Building
Building, Infrastructure, People The Architect of the Capitol is committed to...

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Cogeneration technology was identified as an energy efficient and cost...

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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    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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    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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Architecture