1. The Duomo’s building site, Santa Maria Maggiore and the other amazing lost buildings that made up the square.
2. Corte Vecchia, Leonardo’s workshop and the great clay horse.
3. The masterpieces of the Florentine genius: from the Musico at the Ambrosiana to the Sala delle Asse at Sforza Castle.
4. The ancient Porta Vercellina and the secrets of the canals.
5. Santa Maria delle Grazie and the Last Supper.