Stewards of the iconic buildings and grounds of Capitol Hill since 1793.

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National Statuary Hall, also known as the Old Hall of the House, is the large, two-story, semicircular room south of the Rotunda.
National Statuary Hall, also known as the Old Hall of the House, is the large...

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A view of the Capitol Visitor Center lit up at night
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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Photo of the Capitol dome with an enclosure.
Update: January 2015 Scaffoldin​g and Restoring PhaseThe Dome Restoration...

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Masons work on Olmsted Terrace Steps
AOC is undertaking a project to repair, clean and preserve the Olmsted Terrace...

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Inspired by the Past, Preserving for the Future

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Meet the AOC's decorative painters at the Library of Congress who work to preserve the ornate designs of one of the world's most beautiful buildings. Go behind the scenes to see the techniques used to keep the Library of Congress Thomas Jefferson Building looking as striking as it did when it first opened in 1897.

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