Forte di Belvedere 
Description
16th Century fortress on the same ridge as Piazzale Michelangelo offering excellent views over the city including the Duomo.
Charge
Free to look around the outside and terraces, charge to go inside the rooms (used for exhibits)
Getting There
Latitude: 43.762866; Longitude: 11.253726
What3Words: sweeper.oblige.bravo
