The area around Melnik is strikingly eroded, particularly the enormous area of cliff that serves as a backdrop to the town. the Melnik Earth Pyramids or Melnik Badlands. The hills in this area can rise up to 100 metres (330 ft) high.[6] The unique formations, which can resemble giant mushrooms, ancient towers, and obelisks, were formed when heavy rain eroded the sand and clay the hills are composed of