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

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The U.S. Capitol Rotunda is a large, domed, circular room located 96 feet in diameter and 180 feet in height located in the center of the United States Capitol on the second floor.
The U.S. Capitol Rotunda is a large, domed, circular room 96 feet in diameter...

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Snapshot of a crowd of people on a guided tour through the Rotunda of the U.S. Capitol
Official Tours of the U.S. Capitol Building are offered Monday through...

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Photo of Dome damage and scaffolding.
As scaffolding installation is completed on the Capitol Dome, the restoration...

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Photo of Saccharum officinarum.
Discover the history, botany, production and processing of sugarcane, sugar...

OIG Hotline Report with Name and Contact Information

Report Fraud, Waste, or Abuse to the Architect of the Capitol, Office of Inspector General through the form below. Although you are providing your name the Inspector General will normally not disclose your identity without your permission.

*Required. Note: If you do not wish to enter your name, please go back a page and select either the confidential or the anonymous form.
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