If only the walls of Norman Castle could talk! But seeing they can't, check if tours are available to hear some of its intriguing tales instead.
You're spoiled for sightseeing choice when in Aci Castello. Norman Castle is a good place to begin here, but there are numerous other fine attractions to check out. Catania Cathedral, Massimo Bellini Theater, and Ursino Castle are near the fortified complex and will fill in your day nicely.
