Deep in Alaska, the primal way lives on. Fight the freeze, brave the wild, hold on to your sanity. And winter is no wonderland when temperatures plummet far below zero. This series follows the drama and hardships experienced by Alaskan households in different corners of this merciless territory as they battle to survive, thrive, and live life on their own terms.

Ben Fogle travels round the world to visit people who have given up the rat race.

To capture footage of the volcano's molten heart, the aerial team must deal with ferocious winds and clouds of volcanic gas - this is aerial filming at its most extreme. Meanwhile, the cave team is dropped close to the summit.

Steve comes face to face with some of the biggest, baddest and most bizarre predators on the planet through stunts, experiments and CGI.