The Siena Cathedral hosts great artistic treasures: statues by Michelangelo, Donatello, Bernini, the pulpit by Nicola Pisano, the splendid atmosphere of the Piccolomini Library, with frescoes by Pinturicchio and the rich mosaic marble floor, "the most beautiful ever made" as Vasari wrote in 1568. The Baptistery of St. John is a splendid Baptismal Font. One of the highest expressions of Renaissance sculpture, it was created by Jacopo della Quercia, Donatello and Lorenzo Ghiberti. The Crypt. Hidden for over seven centuries, the Crypt was accidentally rediscovered during excavations in 1999. An extraordinary pictorial cycle from the 13th century will surprise you with vibrant original colors. The Museo dell'Opera. Admire some of the most captivating treasures of Italian art, including the famous Majesty by Duccio di Buoninsegna - the largest altarpiece ever made - the delicate Golden Rose by Bernini, the Madonna with the Child by Donatello, and the moving crucifix by Pisano.