Grotta Gigante is a giant cave on the Italian side of the Trieste Karst. Its central cavern is 107 m high, 65 m wide and 160 m long putting it in the 1995 Guinness Book of Records as the world's largest tourist cave. The cave contains many large stalactites and stalagmites many of exceptional beauty. A feature of the stalagmites is their "dish-pile" appearance, formed by water dropping from up to 80 meters above and depositing calcium carbonate over a wide area.
