9Visit the Castel del Monte
![](https://earthology365.com/wp-content/uploads/2023/04/Castel-del-Monte-Andria-696x435.jpg)
This architectural curiosity stands on a hilltop 20km south of Andria. Its geometric layout is quite unlike most Italian castles: it’s perfectly octagonal, and lacks defensive features such as a moat, drawbridge or arrow slits.