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

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The bronze Statue of Freedom by Thomas Crawford is the crowning feature of the Dome of the United States Capitol.
The bronze Statue of Freedom by Thomas Crawford is the crowning feature of the...

Featured

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 House Pediment Damage
Fiscal Year 2015 Appropriations

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The AOC is responsible for nearly 600,000 square feet of windows
Architect of the Capitol Stephen T. Ayers reflects on the almost 600,000 square...

What's New

  • Tree Lighting 2012
  • Capitol Dome Restoration
  • Juan Sandoval and Jose Hernandez using a lewis to remove stones from Olmsted Terrace.
  • Cannon Renewal Project

Projects

Get the latest information on AOC projects taking place across Capitol Hill.

Events

InstaMeet event photo.
Find out about events you can attend when visiting Capitol Hill.

Our Blog

Jim Saenger, the Capitol’s Carillonneur.
Read a blog about the art, architecture and work on Capitol Hill written by AOC’s experts.