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

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The Summerhouse, a hexagon-shaped brick structure set into the sloping hillside of the West Front lawn on the Senate side of the U.S. Capitol Building, has offered rest and shelter to travelers for over a century.
The Summerhouse, a hexagon-shaped brick structure set into the sloping...

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A view of the Capitol Visitor Center lit up at night
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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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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The East Front of the U.S. Capitol at Dusk
The AOC works to make the Capitol Dome, an enduring symbol of democracy...
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  • The Architect's Virtual Capitol
  • Outside view of The U.S. Supreme Court Building that was modeled after classical Roman temples.
  • 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 painting of the Surrender of Lord Cornwallis  by John Trumbull.
  • A black and white photograph of the United States Capitol in 1846.