Built in the mid-14th century for Cardinal Egidio Albornoz, this massive fortress served as a seat for the local pontifical governors, a tangible sign of the restoration of the Church's power in the area when the pope was ruling from Avignon. Several popes spent time here, and one of them, Alexander VI, in 1499 sent his capable teenage daughter Lucrezia Borgia (1480–1519) to serve as governor for three months. The Gubbio-born architect Gattapone (14th century) used the ruins of a Roman acropolis as a foundation and took materials from many Roman-era sites, including the Teatro Romano. La Rocca's plan is long and rectangular, with six towers and two grand courtyards, an upper loggia, and inside some grand reception rooms. In the largest tower, Torre Maestà, you can visit an apartment with some interesting frescoes. A small shuttle bus gives you that last boost up the hill from the ticket booth to the entrance of the fortress. If you phone in advance, you may be able to secure an English-speaking guide.
Piazza Campello, Spoleto, 06049, Italy