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

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The sun shining on the Ionic Columns on the Longworth House Office Building.
The Ionic column is typically identified by its capital, which includes large...

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The Summerhouse on the Capitol Grounds surrounded by pink azalea flowers.
A few ideas to help you in planning a visit to Capitol Hill.

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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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Beth Burrous, biochemist and USBG volunteer.
Learn about plants used to make lifesaving medicines at the U.S. Botanic Garden...

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AOC Monitoring Impact of HIgh Winds on Power at Capitol

Wednesday, March 12, 2014

On Wednesday, March 12, high winds in the Washington, D.C. area caused electrical power surges that impacted power supply to the U.S. Capitol. Architect of the Capitol (AOC) staff responded to Capitol outage reports at approximately 8:30 p.m. Wednesday evening and made repairs by 9 p.m. AOC staff will continue to monitor the situation throughout the night.