The cave, which is of archaeological and historical significance and features great fauna diversity, is open to announced tourist visits in the presence of a guide and also used as an event venue.
Due to the frequent flooding of the cultivated Račna Karst Field, it was widened with explosives in 1937 to ease the water outflow.
[2] The 19th-century writer Fran Erjavec [sl] found a hitherto unknown beetle in it,[3] and the crustacean Typhlocypris cavicola is endemic to the cave.
In the 15th and 16th centuries, the locals hid there during the Ottoman invasions, as described in the story Jurij Kozjak [sl] (1864) of the 19th-century Slovene writer Josip Jurčič, born in the vicinity.
Today, it occasionally serves as a concert venue for renowned Slovenian and Croatian musicians, e.g. choir singers at Christmas, Siddharta (2008), or Zlatan Stipišić Gibonni (2010).