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

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In the late 19th century the architectural style of the Thomas Jefferson Building was said to be "Italian Renaissance." Today, it is recognized as a premier example of the Beaux Arts style, which is theatrical, heavily ornamented and kinetic. It is a style perfectly suited to a young, wealthy, and imperialistic nation in its Gilded Age.
The Library of Congress began in 1800 with a small appropriation to buy...

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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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Photo of the East Front of the U.S. Capitol Building looking North to South.
AOC's annual Performance and Accountability Report (PAR) provides the results...

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Ted Bechtol, AOC Capitol Grounds Division
For two beautiful summer days in late July, I traveled around Chippewa National...

Visitor Hours

Visitor Hours

A crowd of people visiting the Capitol during visitor hours

Please note: Many of these Capitol Hill buildings are working office buildings. Availability and hours are subject to change, due to special events or other considerations.


Visitor Hours for the Buildings on Capitol Hill.

Capitol Visitor Center

Monday – Saturday
8:30 a.m. – 4:30 p.m.

Closed Sundays, Thanksgiving Day, Christmas Day, New Year's Day and Inauguration Day.

Tours of the U.S. Capitol:
Monday – Saturday
8:50 a.m. – 3:20 p.m.

Visitors with official business appointments may enter the visitor center as early as 7:15 a.m.

Visit www.visitthecapitol.gov for more information about the U.S. Capitol Visitor Center.

U.S. Botanic Garden

Conservatory:
Open 10:00 a.m. – 5:00 p.m. daily, including all weekends and holidays.

National Garden:
Open 10:00 a.m. – 5:00 p.m. daily, including all weekends and holidays.

Bartholdi Park:
Open dawn to dusk, daily, including all weekends and holidays.

Visit www.usbg.gov for more information about visiting the U.S. Botanic Garden.

Congressional Office Buildings

House Office Buildings (Cannon, Longworth, Rayburn, Ford):
Open 7:00 a.m. – 7:00 p.m.

Senate Office Buildings (Russell, Dirksen, Hart):
Open to the public Monday – Friday, 7:00 a.m. – 8:00 p.m.

Library of Congress Buildings

All buildings are closed to the public on Sundays, Thanksgiving Day, Christmas Day and New Year's Day. The Madison and Adams buildings are closed all other federal holidays.

Thomas Jefferson Building:
Monday – Saturday
8:30 a.m. – 4:30 p.m.

James Madison Memorial Madison Building:
Monday – Friday
8:30 a.m. – 9:30 p.m.
Entry after 6 p.m. is reserved for researchers, staff, and those attending special programs.

Saturday
8:30 a.m. – 5:00 p.m.

John Adams Building:
Monday, Wednesday, Thursday
8:30 a.m. – 9:30 p.m.
Entry after 6 p.m. is reserved for researchers, staff, and those attending special programs.

Tuesday, Friday, Saturday
8:30 a.m. – 5:00 p.m.

Visit www.loc.gov/visit/ for more information on visiting the Library of Congress.

Supreme Court

Monday – Friday (except Federal Holidays)
9:00 a.m. – 4:30 p.m.

Visit www.supremecourt.gov/visiting for more information on visiting the Supreme Court of the United States.