Atlas Obscura
Castello di Galliera in Bologna, Italy
The Castello di Galliera was a formidable papal fortress built in the 1330s to assert Roman control over the independent city of Bologna. The ruins are most famous for their turbulent history. The fed-up Bolognese citizens revolted and destroyed the castle, protesting against the papal legates five separate times between its initial construction and its final dismantlement in 1511. The fortific…
Papal fortress built in the 1330s, now ruins.