See our editors' selections in each category from this year's National Geographic International Photography Contest—and keep an eye on the competition.
National Geographic's Ocean Now is a project to study the last healthy, undisturbed places in the ocean. See new photos from the field, explore maps, and take action.
Take a dive with underwater photographer David Doubilet and meet the creatures living below the water's surface, from sharks and seals to unicornfish and butterfly fish.