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This computer numerical control (CNC) plasma cutter is a cool tool on the U.S. Capitol campus. It allows the Sheet Metal Shop to cut parts, components and signage that it could never before do efficiently, if at all.

The Architect of the Capitol selects the annual U.S. Capitol Christmas Tree in consultation with the United States Forest Service. Follow along as our Director of Capitol Grounds and Arboretum travels to the Carson National Forest in New Mexico to select the 2019 tree.

The Architect of the Capitol's Construction Division with the support of the AOC Library Buildings and Grounds jurisdiction worked together to complete the Fire Door Improvements project in the Thomas Jefferson Building, improving fire safety within this historic space.

This newly donated collection — the second largest single donation in U.S. Botanic Garden (USBG) history — adds to the rich heritage and importance of the USBG's orchid collection. The donation came from orchid grower Joe Francis, who lives in northern Virginia.

Starting in the 1650's, the De Witt family settled in and around Kingston, New York, and was prominent in the early history of Ulster County. Colonel Charles De Witt's career extended far beyond his home county, including being named as delegate to the Continental Congress.

Brumidi worked on an impressive number of projects in the U.S. Capitol, including: the House Committee on Agriculture room, Lyndon B. Johnson Room, Senate Reception Room, the President's Room, the Committee on Naval Affairs room and the Senate Committee on Military Affairs room.

The new U.S. Capitol Materials Cart Program showcases a variety of AOC trades, including masonry, sheet metal, paint and wood-crafting. The cart's trays allow Capitol visitors to see and touch elements of the building often out of reach or hidden to an untrained eye.

Did you know that the 15,000-pound bronze Statue of Freedom, standing atop the nine million pounds of cast iron of the U.S. Capitol Dome, dances every day?

During a recent renovation at the U.S. Capitol Building, members of the Architect of the Capitol uncovered a long-forgotten painting of the famous horse, Black Jack. During his tenure, Black Jack took part in the funerals of Presidents Hoover, Kennedy and Johnson as well as General MacArthur.

Several artifacts were passed down through Brumidi's family and given to the Architect of the Capitol over a span of years beginning around 1961. The items include a nickel-plated oval box, a Bible, a small framed photograph, a prize medal, a sterling silver fruit knife and two napkin rings.

Employee spotlight on an Architect of the Capitol elevator mechanic who started as a night shift laborer in the U.S. Capitol building and has continued to rise through the ranks by participating in on-the-job training and taking agency-sponsored courses.

There's a cool tool that enables the Architect of the Capitol (AOC) to quickly respond to requests to dig on the U.S. Capitol grounds. It has eight receiving antennas making it easier for the person operating the locator to get a signal from buried utility lines as deep as 15 feet.

The preservation of the Cannon House Office Building's historic windows and doors allows the building to retain much of its original character and charm, while increasing the building's functionality for those who work and visit within its walls. Learn more about the process.

At a critical time in the U.S. Capitol's evolution, there was a Capitol Bronze Shop established by Montgomery Meigs. From 1855 to 1859, the shop helped serve the needs of the Capitol Extension, a major expansion project to accommodate a growing Congress in Washington, D.C.

During the process of renewing the Cannon House Office Building, workers have found hidden treasures that had been lost or discarded by the laborers who constructed the building more than 100 years ago. Here's a small sampling of what has been discovered since the start of the project.