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

Featured

A black and white photograph of the United States Capitol in 1846.
The history of the United States Capitol Building begins in 1793. Since then,...

Featured

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...

Featured

Photo with enclosed area on Dome.
Update: November 2014 Scaffoldin​g and Restoring PhaseThe scaffolding assembly...

Featured

Masons work on Olmsted Terrace Steps
AOC is undertaking a project to repair, clean and preserve the Olmsted Terrace...