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.

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

Simon Reeve embarks on a journey to discover the wild and remote landscapes of South America and their human stories.

The Great British Intelligence Test measures the brainpower of the nation in one of the largest intelligence experiments of its kind.

After one of the hottest years on record, Sir David Attenborough looks at the science of climate change and potential solutions to this global threat.