National Geographic Photo Contest 2013

 Sam Morris/National Geographic Photo Contest)

Teruo Araya/National Geographic Photo Contest)

Adam Dorn/National Geographic Photo Contest)

 Glen Hush/National Geographic Photo Contest)

Vincent Truchet/National Geographic Photo Contest)

Leslie Anderson/National Geographic Photo Contest)

Riccardo Criseo/National Geographic Photo Contest

 Ed Graham/National Geographic Photo Contest)

Sorin Rechitan/National Geographic Photo Contest

Gaby Barathieu/National Geographic Photo Contest

Dennis Oswald/National Geographic Photo Contest

 Robert Pfaffenbauer/National Geographic Photo Contest)

Patrick Cullis/National Geographic Photo Contest

Robert Sijka/National Geographic Photo Contest)

Andrea Magee/National Geographic Photo Contest)

Chris Habegger/National Geographic Photo Contest)