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The sun shining on the Ionic Columns on the Longworth House Office Building.
The Ionic column is typically identified by its capital, which includes large...

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The Summerhouse on the Capitol Grounds surrounded by pink azalea flowers.
A few ideas to help you in planning a visit to Capitol Hill.

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Painted portrait of Dr. William Thornton
The Architect of the Capitol (AOC) is the builder and steward of America’s...

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"Congress Investigates" exhibit includes items like this Watergate evidence.
This special exhibit at the Capitol Visitor Center is on display now through...

Explore Capitol Hill

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    About the U.S. Capitol Building

    The United States Capitol Building is located in Washington, D.C., at the...

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    Rayburn House Office Building

    The Rayburn House Office Building, completed in early 1965, is the third of...

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    Capitol Dome

    The U.S. Capitol’s dome made of cast iron was designed by Thomas U. Walter and...

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    Capitol Rotunda

    The U.S. Capitol Rotunda is a large, domed, circular room 96 feet in diameter...

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    Russell Senate Office Building

    The Russell Senate Office Building (built 1903-1908) is the oldest of the...

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Buildings