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

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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

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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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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

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Close Call: When a Hippo Flips Your Boat

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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

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Tense Standoff With a Male Elephant in Mating Mode

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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

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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

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Coyote Chomps on Sleeping Bag … With Explorer Still Inside

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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)

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Capuchin Monkey Soap Opera in Costa Rica

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