10Library of Congress, United States
Located in Washington, D.C., the Library of Congress is the largest library in the world by collection size, holding over 170 million items. Its vast holdings include books, manuscripts, maps, photographs, and recordings.
Founded in 1800, it serves as the research library for the U.S. Congress and is open to the public for research purposes. The Library of Congress is a symbol of American knowledge and scholarship, hosting rare treasures such as Thomas Jefferson’s personal library and Gutenberg Bible copies.
