Divers Search for Tiny Animals in Iceland’s Fissures

Expedition Raw

Divers Search for Tiny Animals in Iceland’s Fissures

Freshwater biologist and cave diver Jónína Ólafsdóttir explores Iceland's frigid fissures in search of endangered micro-life.

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Robot vs. Volcano: “Sometimes It’s Just Fun to Blow Stuff Up” (Exclusive)

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Explorers See Greenland's Glaciers Like Never Before

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Great White Shark Photo Shoot: Don't Try This at Home

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Meet Warriors on a Mission to Help Lions and Humans Coexist

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Cheetah Matchmaking: Helping Big Cats Find A Mate

Ride Along With a Team of Lion Protectors

Ride Along With a Team of Lion Protectors

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Rescuing a Fierce Leopard: See What It Takes

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A Real-Life Bone Collector: Recovering an Extinct Human Ancestor

Giant Underwater Cave Was Hiding Oldest Human Skeleton in the Americas

Giant Underwater Cave Was Hiding Oldest Human Skeleton in the Americas

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Close Call: Flipping Iceberg Nearly Crushes Explorers

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Watch a Hungry Bear Catch Salmon

Adorable Bear Cubs Crash Campsite

Adorable Bear Cubs Crash Campsite

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How a Tiny Dog Saved a National Geographic Expedition

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These Giant Manta Rays Just Want to Hang Out

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Would You Bite Into a Raw Bison Liver?

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Puppies and Scientists Team Up Against Zika and Other Diseases

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Leopard Seal vs. Leopard Seal—Underwater Food Fight

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Watch: Decomposing Dolphin Brings New Life to Seafloor

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Journey Through the Largest Cave in the World

Close Call: When a Hippo Flips Your Boat

Close Call: When a Hippo Flips Your Boat

Would You Walk Into a Room With Millions of Bees?

Would You Walk Into a Room With Millions of Bees?

Climbers Try Biking, Wipeout Ensues

Climbers Try Biking, Wipeout Ensues

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Watch: Inside the World's Longest Sea Caves

Tracking Tigers Is Just As Dangerous As It Sounds

Tracking Tigers Is Just As Dangerous As It Sounds

Watch: Shipwreck Hunter Discovers 500-Year-Old Treasures

Watch: Shipwreck Hunter Discovers 500-Year-Old Treasures

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Watch: Monarch Butterflies Get Tiny Radio Trackers

Watch: Polar Bear Charges Nat Geo Photographers

Watch: Polar Bear Charges Nat Geo Photographers

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Caught in a Bat Tornado

Exploring Toxic Ice Caves Inside an Active Volcano

Exploring Toxic Ice Caves Inside an Active Volcano

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Watch: Putting a Camera on a Whale Shark

Tense Standoff With a Male Elephant in Mating Mode

Tense Standoff With a Male Elephant in Mating Mode

Engineer Builds Drone From Scratch, Destroys It on First Day

Engineer Builds Drone From Scratch, Destroys It on First Day

Climbers Get Blasted by Sandstorm 1,000 Feet Up

Climbers Get Blasted by Sandstorm 1,000 Feet Up

Collecting Poop to Save a National Park

Collecting Poop to Save a National Park

How To Celebrate Christmas on a Volcano

How To Celebrate Christmas on a Volcano

Seal Pups: Ferociously Cute and Worth Protecting

Seal Pups: Ferociously Cute and Worth Protecting

WATCH: Billions of Bugs Feast on Flesh and Dung in Borneo

WATCH: Billions of Bugs Feast on Flesh and Dung in Borneo

This Deadly-Looking Leopard Is Actually Fun to Photograph

This Deadly-Looking Leopard Is Actually Fun to Photograph

Unsurprisingly, American Explorer Terrible at Milking Cows

Unsurprisingly, American Explorer Terrible at Milking Cows

Caught in an Underwater Avalanche

Caught in an Underwater Avalanche

Huge Whip Spiders Wear Nail Polish for Science

Huge Whip Spiders Wear Nail Polish for Science

Coyote Chomps on Sleeping Bag … With Explorer Still Inside

Coyote Chomps on Sleeping Bag … With Explorer Still Inside

How Not to Get Eaten by a Polar Bear

How Not to Get Eaten by a Polar Bear

Explorers Save Abandoned Puppy

Explorers Save Abandoned Puppy

Video From Inside a Crocodile’s Mouth (Exclusive)

Video From Inside a Crocodile’s Mouth (Exclusive)

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Sharks Discovered Inside Underwater Volcano (EXCLUSIVE VIDEO)

Capuchin Monkey Soap Opera in Costa Rica

Capuchin Monkey Soap Opera in Costa Rica

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Tagging a Fish With a Sword for a Face

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