The two most-visited museums in the world last year were the Louvre in Paris, with 8.5 million people, and the British Museum in London, with 5.9 million, according to the annual ranking by the Art Newspaper, via the New York Times. The National Gallery of Art in Washington (4.96 million visitors), Tate Modern in London (4.95 million), and the Metropolitan Museum of Art in New York (4.82 million) rounded out the top five.