Library of Congress

Washington DC
Mon8:30 AM - 5:00 PM
Tues8:30 AM - 5:00 PM
Wed8:30 AM - 5:00 PM
Thu8:30 AM - 5:00 PM
Fri8:30 AM - 5:00 PM
Sat8:30 AM - 5:00 PM
Library of Congress

101 Independence Ave SE

Washington, DC 20540

Books, and books aplenty, we're talking 22,765,967 to be exact, are happy to call the Library of Congress -- the oldest federal cultural institution in the United States -- home. This de facto national library is easily the largest in the world with its Main Reading Room serving as the nucleus of scholarly knowledge.