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The Frieze of American History in the Rotunda of the United States Capitol
The Frieze of American History in the Rotunda of the United States Capitol...

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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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Photo of Stephen T. Ayers, FAIA, LEED AP, Architect of the Capitol in front of the Capitol Building
On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...

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Photo of Citrus sinesis.
On February 28 at 2 p.m., explore the fascinating chemistry of oranges and...

Explore Capitol Hill

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    Neoclassical Architecture

    The definitive architectural style on Capitol Hill, inspired by the use of ancient Greek and Roman styles in the design of great public buildings.

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    Sandstone

    A common building material during the early years of Washington, D.C., because it could be found locally and was easy to cut to shape.

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    Corinthian Columns

    This style can be found inside and outside of the buildings on Capitol Hill.

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    Cast Iron

    Used extensively in the U.S. Capitol’s mid-19th century House and Senate extensions and new dome.

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Architecture