The core mission of the museum is to present the personal collection of Peggy Guggenheim. The collection holds major works of Cubism, Futurism, Metaphysical painting, European abstraction, avant-garde sculpture, Surrealism, and American Abstract Expressionism, by some of the greatest artists of the 20th century. These include Picasso, Braque, Duchamp, Léger, Brancusi, Severini, Picabia, de Chirico, Mondrian, Kandinsky, Miró.