United States Capitol dome

Dome situated above the rotunda of the United States Capitol

The United States Capitol features a dome situated above its rotunda. The dome is 288 feet (88 m) in height and 96 feet (29 m) in diameter. Designed by Thomas U. Walter, the fourth Architect of the Capitol, it was constructed between 1855 and 1866 at a cost of $1,047,291. The Statue of Freedom tops the lantern on the dome, and the dome is centered over the origin on street maps of Washington, D.C.

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