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

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The Cannon House Office Building, completed in 1908, is the oldest congressional office building as well as a significant example of the Beaux Arts style of architecture.
The Cannon House Office Building, completed in 1908, is the oldest...

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

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Nitrate vault at the Library of Congress Packard Campus
The Architect of the Capitol (AOC) is responsible for managing all of the...

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Blog Posts By 'Bill McLaughlin'

October 21
By: Bill McLaughlin
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Picture of Solidago Altissima outside in a field
Bill McLaughlin, Plant Curator at the U.S. Botanic Garden, reflects on the beautiful goldenrod blooming at the U.S. Botanic Garden.
April 02
By: Bill McLaughlin
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Phlox subulata flowers blooming
Bill McLaughlin, Plant Curator at the U.S. Botanic Garden highlights plants currently in bloom at the U.S. Capitol.
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