Italy
The Abismo Guy Collet (SP-090) is the deepest cave in South America, and the deepest in the world that is formed in quartzite. Located in a tepui in northern Brazil near the border with Venezuela, this cave was first explored by cavers in 2006 to a depth of 671 m (2,201 ft). Sima Pumacocha in Peru h
eld the previous depth record in South America, determined to be 638 m (2,093 ft) deep in 2004.
Listen to the audio guide for Abismo Guy Collet Free on WIP — starts by itself when you arrive, even with the screen off