Discover the elements of art seen in such masterpieces as The Dream of Pope Sergius by van der Weyden, La Promenade by Renoir, River Landscape by Koninck, Still Life with Apples by Cezanne, The Entombment by Rubens, Christ Crowned with Thorns by van Honthorst, Vase of Flowers by van Huysum, and Irises by van Gogh.