Jill Heinerth says Dan's Cave on Abaco Island, Bahamas, is her "favorite cave on Earth." Jill Heinerth/Ecco hide caption
caves
Tesla CEO Elon Musk called a British diver involved in the rescue of the Thailand soccer team "a pedo guy" on Twitter after the diver criticized the billionaire's minisubmarine plan. Kiichiro Sato/AP hide caption
Earlier this month, Thai rescue teams walk inside cave complex where 12 boys and their soccer coach went missing in northern Thailand. Tham Luang Rescue Operation Center via AP hide caption
An emergency team rushes to a helicopter believed to be carrying one of the rescued boys from a flooded cave on Tuesday. Divers extracted the last of the 12 boys and their coach who were trapped at Tham Luang Nang Non cave system in the Mae Sai district of Chiang Rai province in northern Thailand. Vincent Thian/AP hide caption
A happy family member shows the latest pictures of the missing boys taken by rescue divers inside Tham Luang cave when all members of children's soccer team and their coach were found alive on Monday. Lillian Suwanrumpha/AFP/Getty Images hide caption
The bacteria were discovered in New Mexico's Lechuguilla Cave — a part of Carlsbad Caverns and the second deepest cave in the continental U.S. Courtesy of Max Wisshak hide caption
National Geographic paleoartist John Gurche used fossils from a South African cave to reconstruct the face of Homo naledi, the newest addition to the genus Homo. Photo by Mark Thiessen/National Geographic hide caption
South African Cave Yields Strange Bones Of Early Human-Like Species
Yes, those are people: A still image from a drone video filmed inside the world's largest cave shows cavers standing beneath one of two large skylights in Vietnam's Hang Son Doong. Ryan Deboodt/Vimeo hide caption