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


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...


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...


Photo of Stephen T. Ayers, FAIA, LEED AP, Architect of the Capitol in front of the Capitol Building
On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...


Earth Day Celebration at the U.S. Botanic Garden
Join the United States Botanic Garden for an Earth Day Celebration on the...

What's New

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


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


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.