In Bulgaria, on the western slopes of the Balkan Mountains, the Belogradchik Rocks stand like a natural gallery where every formation tells a tale. Shaped over millions of years by erosion, these sandstone and limestone pillars twist and tower into outlines that locals swear resemble people, animals and even entire scenes. That's why names like 'The Horseman,' 'The Schoolgirl' and 'The Monks' have stuck—it's a landscape where spotting shapes feels a bit like playing nature's version of charades.

The rocks, which are on UNESCO's Tentative List, stretch for more almost 30 kilometres around the town of Belogradchik, their colours shifting from deep red to gold depending on the light. History found a use for them, too. The Belogradchik Fortress, first built by the Romans and later reinforced by Ottomans, leans on the rocks as natural defence. Why build walls when the mountain has already done the heavy lifting? Visitors today come to hike, climb and photograph the unusual shapes, but they often leave with something extra: stories. The Belogradchik Rocks aren't just formations—they're legends frozen in stone.