Located on an ancient volcanic crater it has always had a strategic role and border between the Papal State and the Grand Duchy of Tuscany.
It was a safe refuge for Ghino di Tacco who for a long time harassed the pilgrims' caravans on their road towards Rome.
The ruins of the castle and the fortress dominate the town which offers its panorama of clays and gullies.
Ancient village full of Romanesque churches where you can admire the works of Andrea Giovanni della Robbia.