Oxford maintains a number of museums and galleries, open for free to the public. The Ashmolean Museum, founded in 1683, is the oldest museum in the UK, and the oldest university museum in the world. It holds significant collections of art and archaeology, including works by Michelangelo, Leonardo da Vinci, Turner, and Picasso, as well as treasures such as the Scorpion Macehead, the Parian Marble and the Alfred Jewel. It also contains "The Messiah", a pristine Stradivarius violin, regarded by some as one of the finest examples in existence.