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

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U.S. Capitol Dome was constructed with 8,909,200 pounds of ironwork bolted together in a masterpiece of American will and ingenuity.
The U.S. Capitol’s dome made of cast iron was designed by Thomas U. Walter and...

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Snapshot of a crowd of people on a guided tour through the Rotunda of the U.S. Capitol
Official Tours of the U.S. Capitol Building are offered Monday through...

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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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Warehouses in Fort Meade, Maryland store items such as statues that were once displayed on the East Front of the Capitol.
The Architect of the Capitol is responsible for managing all of the buildings...