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

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The United States Capitol Building is located in a 58-acre park that was landscaped by Frederick Law Olmsted during the period 1874-1892.
The United States Capitol Building is located in a 58-acre park that was...

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A view of the Capitol Visitor Center lit up at night
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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AOC employee assembling a bunch of tiny American flags for a display
Information for Small Businesses interested in doing business with the...

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The figure of Liberty in the Apotheosis of George Washington is depicted wearing a Liberty Cap
The liberty cap was the symbol of freedom and liberty commonly used in the 19th...

House Office Buildings

The first congressional office buildings were constructed immediately after the turn of the century to relieve overcrowding in the Capitol. Previously, members who wanted office space had to rent quarters or borrow space in committee rooms. The Cannon House Office Building, completed in 1908, is the oldest congressional office building, with the Longworth, Rayburn and Ford House Office Buildings being added later to house the growing Congress.

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