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Information for Researchers - Using the Library of Congress

Visiting the Jefferson Building

The Great Hall and exhibitions are open to the public Monday through Saturday from 8:30 a.m. to 4:30 p.m.  (Great Hall and exhibitions are closed Sundays and Thanksgiving, Christmas and New Years holidays.) Public tours of the Thomas Jefferson Building are offered: Monday-Friday 10:30, 11:30, 12:30, 1:30, 2:30, and 3:30; and Saturday at 10:30, 11:30, 1:30, and 2:30.  Individuals or groups of fewer than 10 may join a tour by checking at the Ground Floor Orientation desk in the Thomas Jefferson Building. Information on public tours or about reserving a tour for a larger group is available at the Web page on "Visiting the Library" or by calling 202-707-8000.

Orientation Desks are located on the first floor and ground floor of the Jefferson Building and in the main foyer on the first floor of the Madison Building. Researchers are encouraged to visit these locations for information about the Library's exhibitions, special events and programs, and educational opportunities.


Exhibition galleries in the Jefferson Building are open Monday through Saturday from 8:30 a.m. to 5:00 p.m. The Performing Arts Gallery in the Madison Building (LM 113) is open from 8:30 a.m. to 5 p.m.  Information about Library of Congress exhibits, past and present, is available on the Library's website at // Information about current exhibitions is available at //

Sales Shop

The Library of Congress's gift shop is located in the Library's Jefferson Building in Washington D.C. The hours of the shop are Monday through Saturday from 9:30 a.m. - 5:00 p.m. The Shop is closed on Sundays and on Thanksgiving, Christmas and New Years.

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  December 1, 2016
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