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

Featured

U.S. Capitol Dome was constructed with 8,909,200 pounds of ironwork bolted together in a masterpiece of American will and ingenuity.
The U.S. Capitol’s dome made of cast iron was designed by Thomas U. Walter and...

Featured

A virtual Map of Capitol Hill from above
View a map of the U.S. Capitol and other buildings and grounds cared for by the...

Featured

The AOC maintains the grounds of the U.S. Capitol
The roles and responsibilities of the Architect of the Capitol cover an...

Featured

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

Visitor Hours

Visitor Hours

Visitor Hours for the Buildings on Capitol Hill

Visitor Hours for the Buildings on Capitol Hill.

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.

Capitol Visitor Center:

Open to visitors from 8:30 a.m. - 4:30 p.m., Monday - Saturday except for Thanksgiving Day, Christmas Day, New Year's Day and Inauguration Day.

Tours of the U.S. Capitol are conducted from 8:50 a.m. to 3:20 p.m., Monday - Saturday.

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 a.m - 5 p.m. daily, including all weekends and holidays.

National Garden: open 10 a.m - 5 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 visithing the U.S. Botanic Garden.

 

Congressional Office Buildings:

The Senate Office Buildings (Russell, Dirksen, Hart) are open to the public Monday-Friday, 7 a.m. to 8 p.m.

The House Office Buildings (Cannon, Longworth, Rayburn, Ford) are open 7 a.m. to 7 p.m.

 

Library of Congress:
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 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 p.m.

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


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

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