Cueva Fell
Cueva Fell or Fell's Cave is a natural cave and archaeological site in southern Patagonia. Cueva Fell is in proximity to the Pali Aike Crater, another significant archaeological site. Cueva Fell combined with the nearby Pali Aike site have been submitted to UNESCO as a possible World Heritage Site.
Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).