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The United States Capitol Building is the seat of America's federal legislative branch, located along the eastern edge of Washington, D.C.'s National Mall. The building was constructed between 1793 and 1813, blending Greek and Roman architectural elements, and has housed both the United States Senate and House of Representatives since 1859. Visitors can explore the historic site as part of free guided tours, available daily for individuals and small groups with advance registration. The United States Capitol Visitor Center, added to the facility in 2008, also offers informative exhibits, displays, and documentary film theaters detailing the building's history and significance to American federal government operations.

First St SE, Washington, DC 20004, Phone: 202-226-8000

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