Grotta Gigante (Giant Cave)

Grotta Gigante ("Giant Cave", or Jama pri Briščikih), also known as Riesengrotte or as Grotta di Brisciachi, is a giant cave on the Italian side of the Trieste Karst (Carso), close to the village of Borgo Grotta Gigante or Briščiki in the municipality of Sgonico. Its central cavern is high, wide and 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 .