Reading Room in the Thomas Jefferson Building (©Carol M. Highsmith Archive, Library of Congress, Prints and Photographs Division)
World’s largest library holding more than 168 million items and counting, among them more than 39 million books, plus the Gutenberg Bible and a re-creation of Thomas Jefferson’s 6,487-volume founding collection. The Herblock Gallery celebrating the editorial cartoonist, and “Hope for America: Performers, Politics and Pop Culture” draws from the personal papers, film, radio and television broadcasts donated by Bob Hope. M-Sa 8:30 am-4:30 pm. Tours. Free.