10Rumeli, Turkey
![](https://earthology365.com/wp-content/uploads/2023/04/Rumeli-Turkey-696x435.jpg)
Once a cannon-studded defensive battlement that showed little mercy to ships failing to halt their course along the Bosphorus, then a customs point and prison, Rumeli Fortress fell victim to a vicious earthquake in 1509 and an even more vicious fire in 1746.