Castel del Monte, Puglia
Must-SeeFrederick II's octagonal mystery — geometry, astronomy, and power in stone. UNESCO-listed, no furnishings, pure architecture.
Castello Scaligero, Sirmione
Must-SeeA castle rising from the lake itself — drawbridge, towers, and the best photo on Lake Garda.
Castello di Fénis, Valle d'Aosta
Must-SeeThe fairy-tale castle — turrets, frescoed courtyard, pentagonal towers. Italy's most photographed medieval castle.
Castello Aragonese, Ischia
Must-SeeA fortress island connected by causeway. Walk through tunnels and ruins to the summit for 360-degree Bay of Naples views.
Rocca Calascio, Abruzzo
Must-SeeThe highest fortress in the Apennines (1,460m) — location for Ladyhawke and The Name of the Rose. The approach hike is stunning.
Where to start
Start with the must-see examples, then explore the hidden gems. Italy's medieval castles reward the curious visitor.