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Featured

Self-Guided Tours on Capitol Hill

Visitors can tour many highlights on Capitol Hill without registering.

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Featured

Power to Save Program

At the AOC we are leading the effort to conserve energy across Capitol Hill.

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Featured

Around the Clocks

All eyes are on the clocks as we countdown on New Years Eve. These clocks...

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Installation of roof trusses for the new roof on the House wing of the Capitol.

AOC Facts

Is there any symbolic significance to the numbers of columns and steps in various locations in the Capitol?

No. The numbers of columns and steps were determined for aesthetic and practical, rather than... More »

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Architect of the Capitol | Washington, DC 20515