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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Screenshot of Google Maps image of United States Capitol and surrounding areas.
Located at the center of Washington, D.C., the U.S. Capitol Building and other...

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Painted portrait of Dr. William Thornton
 The Architect of the Capitol (AOC) is the builder and steward of America’s...

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Instagrammers in the Olmsted Summerhouse on the Capitol Grounds
Early on this beautiful September morning, a group of Instagrammers came...

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Blog Posts By 'Ray Mims'

February 26
By: Ray Mims
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Trout Lily in the U.S. Botanic Garden
The U.S. Botanic Garden’s Conservation & Sustainability Horticulturist, Ray Mims, takes a look at the importance of spring ephemerals, which are featured in the Garden’s current exhibit,...
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