Bonifacio in Corsica, France stands directly on limestone cliffs above the Mediterranean Sea. The rock beneath the buildings has been shaped by wind and waves for centuries. Erosion continues slowly ...

A coastal town is built along steep cliffs in Amalfi Coast, Italy. Buildings are stacked closely on rocky terrain. The sea ...

“We are in a movie, in a horror film,” said a resident of Niscemi, where a widening chasm is threatening the town’s historic center. By Lynsey Chutel and Elisabetta Povoledo Elisabetta Povoledo ...