The Opening by Cheret in the Philadelphia Museum o… La Premiere Pose by Howard Roberts in the Philadel… Detail of La Premiere Pose by Howard Roberts in th… Detail of La Premiere Pose by Howard Roberts in th… Detail of La Premiere Pose by Howard Roberts in th… Detail of La Premiere Pose by Howard Roberts in th… The Lost Pleiad by Randolph Rogers in the Philadel… Detail of The Lost Pleiad by Randolph Rogers in th… Detail of Arab Chief by Mariano Fortuny in the Phi… Steamboat: Seascape with Porpoises by Manet in the… Morning at Antibes by Monet in the Philadelphia Mu… Marine View with Sunset by Monet in the Philadelph… Departing for the Promenade by Alfred Stevens in t… Detail of Departing for the Promenade by Alfred St… The Merry Jesters by Rousseau in the Philadelphia… Detail of The Merry Jesters by Rousseau in the Phi… Composition with Blue and Yellow by Mondrian in th… Opposition of Lines: Red and Yellow by Mondrian in… Detail of Old Woman by Picasso in the Philadelphia… The Soothsayer's Recompense by DeChirico in the Ph… Detail of The Soothsayer's Recompense by DeChirico… Bullfight by Picasso in the Philadelphia Museum of… The Six Elements by Magritte in the Philadelphia M… Avenue de l'Opera: Morning Sunshine by Pissarro in… Rachel Weeping by Charles Willson Peale in the Phi… Detail of a Pinnacle from an Altarpiece with Dead… Nero and Poppea on Horseback by Isaia da Pisa in t… Earthenware Virgin and Child in the Philadelphia M… Manne-Portre Etretat by Monet in the Philadelphia… Portrait of Camille Roulin by Van Gogh in the Phil… Detail of the Portrait of Camille Roulin by Van Go… Detail of Etant Donnes by Duchamp in the Philadelp… Etant Donnes by Duchamp in the Philadelphia Museum… Etant Donnes by Duchamp in the Philadelphia Museum… Detail of St. Jerome and a Canon Praying by Simon… Detail of St. Jerome and a Canon Praying by Simon… St. Jerome and a Canon Praying by Simon Marmion in… Detail of Chinese Musicians on Horseback in the Ph… Chinese Musicians on Horseback in the Philadelphia… The Forum of Trajan in Rome, June 2014 The Forum of Trajan in Rome, June 2014 The Auditorium of Maecenas in Rome, June 2014 The Auditorium of Maecenas in Rome, June 2014 The Porticus Octaviae and the Theatre of Marcellus… The Porticus Octaviae and the Theatre of Marcellus…