Serving Congress and the Supreme Court, preserving America's Capitol, and inspiring memorable experiences

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U.S. Capitol Dome
The U.S. Capitol’s dome made of cast iron was designed by Thomas U. Walter and...

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Getting Here
Located at the center of Washington, D.C., the U.S. Capitol Building and other...

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AOC Receives Historic Preservation Award
The Architect of the Capitol strives to perform all work at a high level of...

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The United States Capitol in 1846, with its original dome designed by Charles Bulfinch
Throughout the U.S. Capitol Building’s 220-year history, there have been many...

What's New

our blog

Posted on April 01
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West Front of Capitol in March
Here at the Architect of the Capitol (AOC), our challenge is unique – we must maintain aging, iconic buildings while adapting to state-of-the-art technology and increasing responsiveness to...
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November 12 By: Erin Nelson 0 Comments
The U.S. Botanic Garden Production Facility
AOC's Erin Nelson ventures outside the U.S. Capitol to explore the U.S. Botanic Garden's Production Facility -- home to approximately 60,000 plants.
November 06 By: Matt Guilfoyle 1 Comments
Benjamin Brown French
Long before the advent of Twitter, Facebook and blogs – there were journals. 150 years ago this month saw one of the most transformative periods in the construction of the United States Capitol along...
November 04 By: Karin Johnston 1 Comments
Toad Box on display at the U.S. Capitol Visitor Center
Capitol Visitor Center Registrar Karin Johnston, takes an in depth look at one of her favorite artifacts currently on display in the Exhibition Hall exhibit, “Conflict and Compromise.”
October 31 By: Kristen Frederick 2 Comments
Cenotaphs at the Congressional Cemetery. Photo courtesy Library of Congress.
This Halloween, Kristen Frederick, congressional liaison for the Architect of the Capitol, visited the Congressional Cemetery and discovered many connections the AOC has to this hallowed ground.

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