Die Trying

Nat Geo's veteran bear expert Casey Anderson and seasoned naturalist Jason Matthews plunge into some of the most dangerous bear country in the world, the Alaskan Arctic, determined to collect conclusive DNA evidence and visual footage of a different breed of bear: what they call the Super Bear. Half polar and half grizzly, this hybrid Super Bear has the DNA makeup of two of the world's most tremendous preda

Daredevil scientific explorer George Kourounis and his team of climbing experts and scientists set out to tackle one of the world's most dangerous scientific expeditions to date: a descent into Turkmenistan's firey Darvaza crater. Die Trying joins Kourounis on his mission to descend the crater via a specially designed rope system, walk on its burning floor and collect soil samples that could help us look in the right places for life on other planets.

Join prolific rock climber Alex Honnold on his daring attempt to set a world record by free soloing a trio of harrowing cliffs without any safety lines. One of climbing's most decorated prodigies, Honnold has set his sights on the daring, ambitious and dangerous goal of scaling the faces of Yosemite National Park's Triple Crown: Mt. Watkins, The Nose and the Regular Half Face of Half Dome. And he plans to do it all in under 24 hours.

A team of shark experts and veteran wildlife filmmaker Andy Casagrande venture off the coast of Gansbaai, South Africa, to Shark Alley on a thrilling mission to capture a great white. The team hopes to mount data loggers and camera tags on the backs of these dangerous predators in order to, for the first time ever, scientifically document the complete profile of a great white shark during its explosive breach.

No one has ever walked without any assistance across Antarctica to the South Pole and back -- until now. We follow two Australian explorers on their excruciating and risky trip to hell and back.