Grotta Gigante , also known as Riesengrotte or as Grotta di Brisciachi, is a giant cave on the Italian side of the Trieste Karst , close to the village of Borgo Grotta Gigante or Briščiki in the municipality of Sgonico. Its central cavern is 107 m high, 65 m wide and 130 m long, putting it in the 1995 Guinness Book of Records as the world's largest show cave. This record was broken in 2010 when La Verna cave in the south west of France was opened to tourists, measuring 255 by 225 by 195 metres .
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Address: Trieste, Italy
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