Siena Cathedral & Piccolomini Library: Entry Ticket

Enter one of Italy's most important Roman-Gothic style buildings - the magical Cathedral of Siena - and marvel at the frescoes by Donatello, Michelangelo, and Pinturicchio. See the Piccolomini Library and don't forget to check out the floor. It's made of 56 panels of inlaid marble mosaics and is one sight you won't forget.