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

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Black and white portrait of Constantino Brumidi holding an easel and paintbrushes.
Constantino Brumidi (1805–1880) is best known for the murals he painted in the...

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

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AOC working cleaning the National Garden
The National Garden is a treasure for everyone.

Due to its advanced age, the House of Representatives is in the early planning stages for a top-to-bottom renewal of the Cannon House Office Building. The AOC has assembled a team of in-house experts and consultants who are working with House leaders to define key aspects of the project. This initial effort will better define the estimated costs, scope of work, and potential timeline for the work. The AOC expects this initial planning to conclude in 2012. 

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Cannon House 1908
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