Discover all the secrets and mysteries of Castel del Monte, the most visited national monument in Southern Italy! Enjoy a guided tour of the octagonal castle built by Emperor Frederick II and declared a UNESCO World Heritage Site in 1996.Begin your tour admiring the castle's exteriors and the breathtaking landscape of the Murgia. Find out about the monument's setting in a position of control and about its unusual shape. You will be fascinated by the quantity of mathematical, astronomical, and geometric references that this monument offers.Then, immerse yourself in a unique medieval atmosphere inside an octagonal castle made of typical Apulian limestone. Here you will have the opportunity to wander between the two floors, to discover the 16 rooms, to stroll through the octagonal courtyard, and to admire the octagonal towers, and the spiral staircase.