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

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Layout of the Capitol Grounds drawn by Landscape Architect Frederick Law Olmsted in 1874.
Landscape Architect Frederick Law Olmsted designed the U.S. Capitol Grounds in...

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A virtual Map of Capitol Hill from above
View a map of the U.S. Capitol and other buildings and grounds cared for by the...

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Photo of a Capitol Power Plant chiller that's reaching the end of its life expectancy.
Fiscal Year 2016 Appropriations With the support of Congress, the Architect of...

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Anne Frank Tree and marker planted in the ground in front of the Capitol
Anne Frank Tree on Capitol Grounds

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Posted on December 22, 2014
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Capitol Sunset November 2014
From February's heavy snowfall to October's blood moon eclipse, take a look back at some popular moments of 2014 through the AOC's Instagram and Flickr images.
September 29 By: Matt Guilfoyle 0 Comments
Juan Sandoval and Jose Hernandez using a lewis to remove stones from Olmsted Terrace.
Addressing the stone pandemic across the Capitol campus takes a team of historic preservationists, structural engineers and stonemasons, among others.
September 22 By: Sarah Bublitz 1 Comments
Instagrammers in the Olmsted Summerhouse on the Capitol Grounds
Early on this beautiful September morning, a group of Instagrammers came together to explore and celebrate the U.S. Capitol during our second InstaMeet.
September 16 By: Lee Coykendall 0 Comments
Cara holding her chocolate tree.
With Sprouts at the U.S. Botanic Garden, children learn about the magical world of plants.
July 21 By: Sharon Gang 3 Comments
Anne Frank Tree and marker planted in the ground in front of the Capitol
One of Anne’s few connections to the outside world while hiding in the secret annex was a nearby white chestnut tree which she could see from the attic window.
May 20 By: Sharon Gang 0 Comments
AOC employee working on touching up columns in Statuary Hall
Next time you're in Statuary Hall on the second floor of the U.S. Capitol near the House Chamber, look closely.
May 12 By: Matt Guilfoyle 0 Comments
AOC working cleaning the National Garden
Conceived as an outdoor laboratory for gardening in harmony with natural ecosystems, the National Garden opened to the public on October 1, 2006.

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