Housed in an old train station in the Saint-Germain des Pres neighbourhood, the Musée d'Orsay is an amazing, glass-roofed museum holding the largest collection of Impressionist art in the world. It also holds priceless artwork from art nouveau, romanticism, neoclassicism and expressionism. Want to admire some of the greatest works of art by Monet, Van Gogh, Toulouse-Lautrec, Degas, and Ingres? Then buy your tickets online and head to the museum!