Stewards of the iconic buildings and grounds of Capitol Hill since 1793.

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A Cascade of Books by Frank Eliscu (1912–1996) is a bronze sculptural screen that rises five stories above the main entrance to the James Madison Memorial Building of the Library of Congress. Measuring approximately 50 feet high by 35 feet wide, it consists of 98 open books, with some as large as five feet wide.
A Cascade of Books by Frank Eliscu (1912–1996) is a bronze sculptural screen...

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Screenshot of Google Maps image of United States Capitol and surrounding areas.
Located at the center of Washington, D.C., the U.S. Capitol Building and other...

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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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Cara holding her chocolate tree.
With Sprouts at the U.S. Botanic Garden, children learn about the magical world...

Materials

  • A row of marble statues in National Statuary Hall in the U.S. Capitol.
    Marble is used throughout the U.S. Capitol Building, the congressional office...
     
  • Nighttime view of the cast iron used in the making of the Capitol's dome.
    Cast iron was used extensively in the U.S. Capitol’s mid-19th century House...
     
  • Sandstone walls and paintings of the U.S. Capitol Rotunda
    Sandstone was a common building material during the early years of Washington...
     

The materials used in the construction of the Capitol were chosen with care to ensure the building would be a lasting landmark. Learn more about these building materials, why they were used, and where they came from.

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