Polars vs. Grizzlies

9th July 2014 44 mins Season 1 Episode 1

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

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Season 1 · Episode 2

Crater of Fire

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.

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