Belogradchik Fortress and the Belogradchik rocks, Bulgaria (© 2bears/Shutterstock)

【December 9 2014】Across nearly 20 square miles of the western slopes of the Balkan Mountains in northwestern Bulgaria, a series of natural sandstone towers looms. Many of the Belogradchik rocks are named, as local folklore provides numerous stories about the formations.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..