About The Show

Join Harry Marshall and his fearless crew into the Amazonia, as they battle oppressive heat and hordes of insects to examine the world's mightiest river and film seldom-seen creatures and sights.

World's Largest Cluster of Sinkholes Discovered loading...
World's Largest Cluster of Sinkholes Discovered
Forty-nine sinkholes were found in China by researchers, who say the features have more secrets to tell.
Where, and When, Will the Next Volcano Erupt? loading...
Where, and When, Will the Next Volcano Erupt?
Volcanologist Andrew McGonigle is developing early-warning detection equipment for eruptions.
Top Ancient Sites for Stargazing loading...
Top Ancient Sites for Stargazing
From petroglyphs to castles carved into hilltops, explore our night sky through our ancestors at these amazing archaeological sites.
8 Nat Geo Photographers Share Images of Gratitude loading...
8 Nat Geo Photographers Share Images of Gratitude
We asked our photographers to choose a moment they are thankful for having witnessed.
How to Map a River With Gunpowder loading...
How to Map a River With Gunpowder
Cartographers experiment with an explosive way to make map art.
'Mud Dragon' Dinosaur Unearthed—By Dynamite loading...
'Mud Dragon' Dinosaur Unearthed—By Dynamite
The fossil, dated to the time right before a giant impact wiped out the dinosaurs, was almost destroyed during school construction.
Yosemite’s Hardest Rock Climb Is Finally Putting Up a Fight loading...
Yosemite’s Hardest Rock Climb Is Finally Putting Up a Fight
Adam Ondra, the Czech rock climber who’s considered the world’s best, was making quick work of the Dawn Wall—until he reached the crux.
U.S.'s Longest Cat-Proof Fence Protects Endangered Birds loading...
U.S.'s Longest Cat-Proof Fence Protects Endangered Birds
Hawai'i Volcanoes National Park makes a bold conservation move.
Giant Roaches Can Grow Big Testicles When They Need Them loading...
Giant Roaches Can Grow Big Testicles When They Need Them
Madagascar hissing cockroaches can become lovers or fighters, but not both.
Nice Shot! Golden Hour in the Gardens of the Queen loading...
Nice Shot! Golden Hour in the Gardens of the Queen
Conditions are rarely perfect for a shot like this, says photographer Jennifer Hayes. Find out how she did it.

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