Die Trying

An intrepid team of bear experts search for a living example of a hybrid polar-grizzly bear.

A team of climbing experts tackle a descent into Turkmenistan's methane-burning Darvaza crater.

Alex Honnold attempts to set a world record by free-soloing harrowing cliffs without safety lines.

Shark experts venture to Shark Alley to document a profile of a great white shark during its breach.

Follow a pair of Australian adventurers as they risk their lives on a journey to the South Pole.

Trace the fateful steps that led to the biggest disaster in mountaineering history.