Tallest natural cave column
Tham Sao Hin
Thailand (Tham Sao Hin)
The tallest cave column measures 61.5 m (201 ft 8 in) in height and is located in a cave at Tham Sao Hin, Thailand. It is formed by a stalactite, descending from the roof of a cave, which has joined together with a stalagmite rising from the floor.