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

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U.S. Capitol Dome was constructed with 8,909,200 pounds of ironwork bolted together in a masterpiece of American will and ingenuity.
The U.S. Capitol’s dome made of cast iron was designed by Thomas U. Walter and...

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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 with enclosed area on Dome.
Update: November 2014 Scaffoldin​g and Restoring PhaseThe scaffolding assembly...

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Work Photography of a Worker repairing the Hart Roof at sunset.
Construction activities for the repair and replacement of the Hart Senate...

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Painting of the Signing of the Constitution

Images on the Architect of the Capitol Web site can be downloaded in high-resolution through the AOC Flickr page. These images are in the public domain and, unless otherwise noted, may be used without permission for educational, scholarly, or personal (i.e., nonpromotional, nonadvertising) purposes.

Image Use

When any of the AOC's images are used in print or electronic publications, the photographic credit line should read “Architect of the Capitol.” If an image requires additional use permission, a note to that effect appears on the relevant download page. These images may not be used in any way that would imply endorsement by the Architect of the Capitol or the United States Congress of a product, service, or point of view.

Photographs from the records of the Architect of the Capitol may be used for scholarly or educational purposes; they are not made available for promotional or advertising purposes.

A detail or cropped image may not be used in a publication unless (a) it is clearly identified as a detail or cropped version of the larger work and (b) the full image appears elsewhere in the publication.

For information about ordering images and permission to publish, please contact us through our web form or fax a letter identifying the image that you would like to use and the purpose for which you wish to use it to:

The Honorable Stephen T. Ayers, FAIA, LEED AP
Architect of the Capitol
U.S. Capitol
Washington, D.C. 20515
at fax number (202) 228-4602.