1Sand Pyramids of Foča
In southeastern Bosnia and Herzegovina, dozens of tall, narrow pillars rise from the hillsides near Foča, some reaching 65 feet high and tapering into sharp, pointed peaks. The formations are made of layers of sand, clay, and gravel that accumulated millions of years ago. Over time, rainwater flowed down the slopes, washing away softer material and carving deep channels into the hillside. As these channels widened, they separated the remaining earth into narrow pillars, which continued to erode into sharp peaks. Rain, wind, and freezing temperatures continue to reshape the formations today.


