July 9, 2014 • 44m
Nat Geo's veteran bear expert Casey Anderson and seasoned naturalist Jason Matthews plunge into some of the most dangerous bear co...Read more
July 16, 2014 • 44m
Daredevil scientific explorer George Kourounis and his team of climbing experts and scientists set out to tackle one of the world'...Read more
July 23, 2014 • 44m
Join prolific rock climber Alex Honnold on his daring attempt to set a world record by free soloing a trio of harrowing cliffs wit...Read more
July 30, 2014 • 44m
A team of shark experts and veteran wildlife filmmaker Andy Casagrande venture off the coast of Gansbaai, South Africa, to Shark A...Read more
August 6, 2014 • 44m
No one has ever walked without any assistance across Antarctica to the South Pole and back -- until now. We follow two Australian ...Read more
August 13, 2014 • 44m
Trace the fateful steps that led to the biggest disaster in mountaineering history.