Highlights of 20th and 21st century art history have been brought together in an exhibition entitled Klimt to Warhol. Different artistic trends and movements such as Vienna around 1900, German Expressionism, the Surrealism of René Magritte, European and American abstraction of the post-war period, the figuration of Francis Bacon, Pop Art, works by the ZERO artists' group and contemporary positions are combined in a presentation that reveals the versatility of the Heidi Horten Collection.