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

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The Hart Senate Office Building is the third office structure designed and built to serve the United States Senate.
The Hart Senate Office Building is the third office structure designed 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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An AOC worker mowing the grass on the grounds of the U.S. Capitol
The roles and responsibilities of the Architect of the Capitol cover an...

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Small Business Industry Day at AOC
The Architect of the Capitol is hosting a Small Business Day on Tuesday,...

What's New

Visitor Hour Changes for Inauguration

The Inauguration of President Barack H. Obama, 44th president of the United States, on the West Front of the Capitol. January 20, 2009
Wednesday, January 9, 2013

Due to preparations for the 57th Presidential Inauguration, the Capitol Visitor Center will be closed on Saturday, January 19, and it will also be closed Monday, January 21 for the Inauguration itself. Tours of the U.S. Capitol will be suspended on both days.

The U.S. Botanic Garden will also be closed on Inauguration Day, Monday, January 21.