Grotta Gigante
About
Grotta Gigante ("Giant Cave", Slovene: Briška jama), also known as Riesengrotte or as Grotta di Brisciachi, is a giant cave on the Italian side of the Trieste Carso, in the municipality of Sgonico. Its central cavern is 107 m (351 ft) high, 65 m (213 ft) wide and 130 m (430 ft), long putting it in the 1995 Guinness Book of Records as the world's largest tourist cave.