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Senators sitting in two story Senate Chamber.
The Senate Chamber is a rectangular, two-story room located in the center of...

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Visitor Guide Gives Tour of Rotunda
Please note: Many of these Capitol Hill buildings are working office buildings...

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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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"Exposed: The Secret Life of Roots" graphic.
This special exhibit at the U.S. Botanic Garden is on display February 21...

Explore Capitol Hill

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    The First Cornerstone

    Contemporary Masonic practice included the laying of an inscribed metal plate along with a cornerstone.

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    Montgomery C. Meigs

    Meigs's contributions to the Capitol were in engineering, management and photography.

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    Benjamin Brown French

    French was responsible for the care of all federal buildings in Washington, D.C. before the creation of the AOC.

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History