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

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This painting by Allyn Cox depicts the cornerstone laying ceremony and is currently on display in the House Wing of the U.S. Capitol Building.
The cornerstone was laid on Wednesday, September 18, 1793, during the first...

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View of the U.S. Capitol Building from above at dusk
In order to ensure the safety of visitors and staff and to preserve the...

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AOC Gardener at the U.S. Botanic Gardener handling some orchids
Information about working for the Architect of the Capitol:

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The East Front of the U.S. Capitol at Dusk
The AOC works to make the Capitol Dome, an enduring symbol of democracy...
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Employee on Capitol Hill

  • Capitol Dome Restoration
  • Work Photography of a Worker repairing the Hart Roof at sunset.
  • Black and White photo of the Cannon House Office Building in 1908
  • Construction workers working on the Olmsted Terrace Stone Preservation