Ronda (Spain): divided by a 100-meter deep canyon
Bonifacio (Corsica): 70 meters (230 ft) over the Mediterranean Sea
Castellfolit de la Roca (Spain): situated on a 50 meters (164 ft) high basalt crag
Santorini (Greece): a 300 meter (984 ft) high paradise
Its spectacular physical beauty, along with a dynamic nightlife, have made the island one of Europe's tourist hotspots.
The Minoan eruption, which occurred some 3,600 years ago at the height of the Minoan civilization, left a large caldera surrounded by volcanic ash deposits hundreds of feet deep and may have led indirectly to the collapse of the Minoan civilization on the island of Crete, 110 km (70 miles) to the south, through the creation of a gigantic tsunami.
Manarola (Italy): Italy's most precariously placed town
Located in Liguria, Manarola is certainly one of Italy's most precariously placed towns.