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Visitors can tour many highlights on Capitol Hill without registering.
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Benjamin Henry Latrobe was hired by President Jefferson in 1803 to fill the...
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Tholos Magazine cover, Volume 11 Summer 2019.
The latest edition of the Architect of the Capitol (AOC) employee magazine, ...

Our Blog

Read a blog about the art, architecture and work on the Capitol Hill written by AOC's experts.

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Fire Egress at the Library of Congress

By Erin Nelson

Architect of the Capitol teams worked together to complete the Fire Door Improvements project in the Thomas Jefferson Building, improving fire safety within this historic space.

Close look at a door hinge in the Library of Congress Thomas Jefferson Building, patented Nov. 22, 1887.
May 14, 2018
Celebrating the men and women of the United States Capitol Police who put their lives on the line to protect America's beacon of democracy.More »
Numbers found on the pediment.
April 17, 2018
Solving the mystery of numbers inscribed on a block of the Senate pediment.More »
March 30, 2018
Highlighting two women artists of the U.S. Capitol's National Statuary Hall Collection.More »
A current view of the U.S. Capitol, Room HB-29, which once served as a bakery during the Civil War.
March 27, 2018
A look back at the U.S. Capitol's baking operations during the Civil War.More »
View of the U.S. Capitol from the southwest in March of 2017.
March 21, 2018
Why change our clocks twice a year, spring forward and fall back? The idea of saving the daylight goes back centuries.More »
Intern Mary Delaney learns about an air handling unit from AOC Air Conditioning Equipment Mechanic Worker Valarie Buggie to better understand the parts and services required by heating and cooling systems.
March 19, 2018
The AOC strives to make the intern experience substantive, challenging and rewarding.More »
A small bust of George Washington carved into the Car of History marble chariot.
March 13, 2018
Discover art with a special connection to Stephen Ayers' time serving as Architect of the Capitol.More »
Close-up photo of lion detail at the Supreme Court Building.
March 6, 2018
Imagery of the lion is well-represented in architectural details on Capitol Hill.More »
The Snow Rodeo training exercise on a new piece of snow removal equipment, the Ditch Witch SK600 mini skid steer
March 1, 2018
This year's snow removal training exercise included a friendly competition between offices and jurisdictions on a new piece of equipment.More »
Rosa Parks lay in honor in Capitol Rotunda October 30-31, 2005.
February 26, 2018
The occasion calls for coordination across the Capitol campus, and the solemnity of the event requires a commitment to excellence to ensure that no detail is overlooked.More »
Orchid Show at the U.S. Botanic Garden.
February 21, 2018
Found on every continent except Antarctica, orchids showcase a wide spectrum of diversity in color, shape, size, habitat, scent and many other aspects.More »
Visitor Guides Andrew Tremel, Carrie Gallagher and Brandon Hintze who made the Student Program so successful.
January 31, 2018
The Capitol Visitor Center runs educational programs for classes nearly 50 times between October and February, serving nearly 1,500 students.More »
Condition of the stone on the Russell Building pre-restoration.
January 11, 2018
Stone preservation will continue to be a priority of the AOC as the best way to maintain the buildings across the Capitol campus is to constantly monitor them.More »
'Premium Picasso' (left) and 'Jingle Bell' (right) pointsettias.
December 22, 2017
The gardeners have grown more than 3,000 poinsettia plants to brighten up the USBG Conservatory's annual holiday exhibit "Season's Greenings: Roadside Attractions."More »
2017 Highlights
December 20, 2017
Before we dive into 2018, here's a look back at some of this year's highlights.More »

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