The Musée d'Orsay, known as "Europe's most beautiful museum," is a collection of 19th and 20th century Impressionist paintings, including the famous "Van Gogh Self-Portrait," "Sunflowers," and more. The museum's official website shows part of the collection. Its official website shows some of the works in the collection, as well as providing the museum's opening hours, mailing address and other user-friendly information.