Organization / PublicationMagnum Photos for National Geographic
PlaceCarlsbad National Park, New Mexico
CaptionThe Prickley Ice Cube Passage in the Lechuguilla caves. Even at the end of the 20th century there are still natural treasures to discover, Lechuguilla is one of them. In 1986, wind blowing out of a deep pit put explorers on the track of an underground maze now known to comprise over 80km of tunnels, lakes and caves.