Liang Dahar Cave is a captivating natural wonder situated in the Liang Melas Datas region of Karo Regency, North Sumatra. This geological site draws visitors with its remarkable formations, showcasing the slow and intricate work of nature over vast periods. Inside, one can marvel at the impressive stalactites hanging from the cave ceiling and the stalagmites rising from the floor, creating a unique and somewhat otherworldly landscape.