![](http://onebigphoto.com/uploads/2012/01/southern-right-whale-meets-diver.jpg)
The southern right whale meets diver. Photo by: Brian Skerry
![](http://onebigphoto.com/uploads/2011/12/the-worlds-largest-underwater-cave-russia.jpg)
Diving in world’s largest underwater ‘crystal’ cave in deep Russian waters. Photo by: Viktor Lyagushkin
![](http://onebigphoto.com/uploads/2012/02/freediver-over-the-airplane-wreck-in-the-bahamas.jpg)
Freediver over the airplane wreck in the Bahamas. Photo by: Frederic Buyle
![](http://onebigphoto.com/uploads/2012/08/swimming-with-a-nurse-shark.jpg)
Girl swims with a nurse shark. Photo by: Tony Rath
![](http://onebigphoto.com/uploads/2012/11/divers-at-easter-island.jpg)
Divers at mysterious underwater Easter Island statues. Photo by: Randy Olson | National Geographic
![](http://onebigphoto.com/uploads/2012/02/diving-with-barracuda.jpg)
Scuba diving with barracudas. Photo by: David Doubilet
![](http://onebigphoto.com/uploads/2012/07/under-the-wave.jpg)
Surfers under the big wave. Photo by: Mark Tipple
![](http://onebigphoto.com/uploads/2012/04/manta-ray-and-scuba-diver.jpg)
Manta ray and scuba diver swimming together. Photo by: Franco Banfi
![](http://onebigphoto.com/uploads/2012/04/whitetip-shark-and-diver.jpg)
Diver takes a photo of Whitetip shark. Photo by: Brian Skerry | National Geographic
![](http://onebigphoto.com/uploads/2012/12/diver-in-front-of-thousands-of-fish.jpg)
Diver in front of thousands of fish. Photo by: Octavio Aburto | National Geographic
![](http://onebigphoto.com/uploads/2012/03/underwater-female-surfer.jpg)
Underwater female surfer. Photo by: Alana Rene Blanchard
![](http://onebigphoto.com/uploads/2013/03/the-superstar-of-undersea.jpg)
Underwater divers paparazzi. Photo by: Andrew Gladyshev