Cave Diving in Tulum, Mexico Photograph by Patrik Gustafsson, National Geographic Your Shot A diver explores a cenote in Tulum, Mexico. Ancient Maya believed that the rain god Chaak lived in these natural wells. Now they are giving archaeologists new ins
Inside the glacier: Astonishing underwater pictures from a maze carved in the ice
Even though scuba diving is on my bucket list of things to do. Diving in caves isn't. Something about being under water in close quarters and feeling confined, I just couldn't do it. Just watching it on T.
Never had a reason to go to Alabama. Neversink Pit :: Two cavers ascend out of the Neversink Pit in Alabama. Photos do not give this place justice! This photo won an honorable mention in the 2006 NSS Slide Salon. ( photo By Brian Masney )
Though it is called Stargate, this alien landscape is found on Earth. One of the submerged caves, or blue holes, of the Bahamas, it is extremely difficult to explore but a treasure trove for scientists. Photo by Wes C. Skiles for National Geographic