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

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The Architect's Virtual Capitol
Explore the buildings of Capitol Hill through a historic timeline, videos and...

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The Summerhouse on the Capitol Grounds surrounded by pink azalea flowers.
A few ideas to help you in planning a visit to Capitol Hill.

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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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Capitol Crypt, circa 1900
The term “crypt” has long referred to a space beneath the main floor of a...

U.S. Capitol Dome Restoration Project

The Dome of the U.S. Capitol Building, one of America’s great symbols of freedom, is currently undergoing a multi-year restoration.

This project is a critical step for stopping the current level of deterioration in the Dome’s cast iron as well as ensuring the protection of the interior of the Dome and Rotunda. The restoration project includes removal of old paint, repairs to the cast iron and stone, and repainting.

Recent Updates

Start of scaffolding and restoring phase.
Work on scaffold has begun moving up the Dome.

See all updates »

View pictures of current work »

Updated: September 2014

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