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The West Norwegian Fjords's two fjords, among the world's longest and deepest, are considered archetypical fjord landscapes and among the most scenically outstanding anywhere.
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West Norwegian Fjords – Geirangerfjord and Nærøyfjord, Norway

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The Brazilian Atlantic Islands site was inscribed on the World Heritage List in 2001. The rich waters of the Fernando de Noronha Archipelago and Rocas Atoll are extremely important for the breeding and feeding of tuna, shark, turtle, and marine mammals. Th
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Brazilian Atlantic Islands: Fernando de Noronha and Atol das Rocas Reserves

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The Cocos Island National Park site in Costa Rica was inscribed on the World Heritage List in 1997. Cocos Island's position as the first point of contact with the northern equatorial counter-current and the myriad interactions between the island and the su
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Cocos Island National Park, Costa Rica

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A Galapagos tortoise munches on some greens.
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Galapagos Tortoise

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This magnified photo provides a close-up look at copepods—tiny crustaceans that right whales feed on.
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Copepods: Right Whale Food

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This Japanese research ship drills into the ocean floor to learn about Earth’s history and structure.
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Deep Sea Drilling Vessel Chikyu

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A bloom of moon jellies.
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A Bloom of Moon Jellies

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Polar bears have evolved to survive in the Arctic.
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Polar Bear on the Ice

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“The southern elephant seal is a truly restrained behemoth. Males can grow to be five times larger than females, up to 5,000 pounds. This elephant seal may look fierce, but he was simply yawning over and over in the wave-wash. This allowed me to try mult
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Southern Elephant Seal, Gold Harbour, South Georgia

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Participants in the challenge must first set a compass bearing in the direction they are headed to properly navigate underwater.
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SCUBAnauts Splitting The Sign

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A variety of organisms make their home on this tropical coral reef in Indonesia.
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Live from the Field: Bali, Indonesia

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Dr. Robert Ballard with an ROV
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Five Questions for Robert Ballard

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