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The History of the U.S. Capitol Building – the location of A Capitol Fourth since 1981

The U.S. Capitol is among the most architecturally impressive and symbolically significant buildings in the world. For more than two centuries, it has housed the meeting chambers of the Senate and the House of Representatives, serving as the seat of American democracy and a monument to the people and government it represents. It is made up of the Capitol Dome, Capitol Rotunda, Capitol Crypt and the stunning 58-acre park – including the West Lawn of the U.S. Capitol.

Construction began in 1793 with a design selected by President George Washington. The building has been built, burned by the British in 1814, rebuilt, extended, and restored in the centuries since. At its center rises the iconic white dome, one of the most recognized symbols of American government anywhere on earth.

Today, the U.S. Capitol Building covers approximately four acres of ground and more than sixteen acres of total floor space. It stretches 751 feet from north to south and rises 288 feet from its base to the top of the Statue of Freedom. Inside, the building contains roughly 540 rooms, 658 windows, and 850 doorways.

Capitol Dome

Capitol Dome

Capitol Rotunda

The U.S. Capitol Rotunda is one of the most celebrated interior spaces in America, conceived by Dr. William Thornton in 1793 and completed in 1824 under architect Charles Bulfinch. It serves as the backdrop for the nation’s most solemn ceremonial events.

Eight large historical paintings line the walls, spanning Revolutionary War scenes and early American exploration. The Rotunda honors presidents and historic figures, including a celebrated likeness of George Washington and a marble statue of Abraham Lincoln by Vinnie Ream, the first woman to receive a government art commission. Also on display: a bust of Dr. Martin Luther King Jr. and the Portrait Monument honoring suffrage leaders Lucretia Mott, Elizabeth Cady Stanton, and Susan B. Anthony.

Capitol Rotunda

Capitol Crypt

Tucked beneath the Rotunda, the Crypt takes its name from similar vaulted spaces found in historic churches, traditionally used for chapels and tombs.

Forty Doric columns of Aquia Creek sandstone, installed in the 1820s under architect Charles Bulfinch, support the floor above. At the center of the room, a white marble star embedded in the floor marks the geographic center of the U.S. Capitol and the point from which Washington, D.C. is divided into its four quadrants.

The Crypt houses statues from the National Statuary Hall Collection representing the 13 original colonies, as well as a replica of the Magna Carta. Directly below lies a chamber Congress once intended as a final resting place for George and Martha Washington, their remains stayed at Mount Vernon.