The Musee d'Orsay boasts the greatest collection of Impressionist and post-Impressionist art in the world, unparalleled in its diversity and quality. Since its opening in 1986 in a spectacularly renovated train station, the museum has welcomed more that fifty million visitors to its collection of works by Bouguereau, Courbet, Renoir, Cezanne, Van Gogh, Monet, Manet, Redon, Whistler, Gauguin and orther artists of the mid-nineteenth century to the early twentieth century. This is a definitive guide to paintings in one of the world's most popular museums.