Kellie’s Castle, located in Malaysia, is shrouded in mystery due to its unfinished state and eerie atmosphere. Built by Scottish planter William Kellie Smith in the early 1900s, the castle was intended as a grand mansion but was left incomplete after his sudden death. Rumors of hidden rooms, secret passages, and ghostly sightings have fueled its legend, with some believing it to be haunted by Kellie's spirit. The castle's abandoned, decaying structure adds to its mystique, drawing visitors intrigued by its haunted history and unfinished legacy.