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The United States Capitol, often called the Capitol or the Capitol Building, is the seat of the United States Congress, the legislative branch of the federal government. It is located on Capitol Hill at the eastern end of the National Mall in Washington, D.C.

The Capitol Visitor Center welcomes visitors from across the United States and around the world. All tours, programs and activities are free of charge. Visitors enter the Capitol Visitor Center, which is located underground on the east side of the Capitol.

The United States Capitol building features a central rotunda below the Capitol dome. Built between 1818 and 1824, the rotunda has been described as the Capitol's "symbolic and physical heart". The rotunda is connected by corridors leading south to the House of Representatives and north to the Senate chambers.

The United States Capitol in Washington, D.C., is a symbol of the American people and our government and the meeting place of the nation's legislature, the U.S. Congress. The Capitol is a working office building, but it is also the place where visitors from around the United States and the world come to learn about American democracy.

Your visit to the historic U.S. Capitol begins as you enter the Capitol Visitor Center —the main entrance to the U.S. Capitol. Through films, exhibits, and tours, you will learn about how Congress works, how this magnificent building was built, and how citizens can participate in this extraordinary experiment called representative democracy.

Take the Capitol Challenge; Timeline of Congress and the Capitol. 1789-1815; 1815-1851; 1851-1877; 1877-1913; 1913-1945; 1945-Present; Epilogue; Building a More Perfect Union

The United States Capitol Complex is a group of twenty buildings, grounds, and facilities in Washington, D.C., that are used by the United States Congress, and federal courts. The buildings and grounds within the complex are managed and supervised by the Architect of the Capitol.

Celebrate and discover the center and symbol of American democracy. Our mission centers on our stewardship of the structures and grounds of the nation's Capitol. We ensure every visitor to the campus experiences the grandeur of these historic treasures at their very best. What is the largest statue in the National Statuary Hall Collection?

Explore the rich history of the U.S. Capitol and the remarkable individuals who have shaped its legacy! Dive into our collection of historical articles and premium content that bring the stories of Congress, lawmakers, and pivotal moments in American history to life.