The television presenter and comic embarks on an 8,000-mile journey halfway around the Arctic Circle in the middle of winter, a remarkable, but unforgiving, time of year in the ice-bound region. He observes natural wonders and discovers the magnetic lure of the far north, swims with locals and much more.

Bill Nighy narrates the stories of epic train journeys that cross the most beautiful mountain landscapes on the planet, from Canada's Rockies to the snowy peaks of Switzerland and the gorges of Mexico.

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.

To get a mate you need to stand out from the crowd. And sometimes that means putting on a spectacular performance…

Exploring the ways in which the moon shapes just about everything around us, and why there's now a new race to get humans back to the surface of our satellite.

Travel back to ancient history from a new perspective and integrate the moving stories of the Eastern and Western worlds.

The television presenter and comic embarks on an 8,000-mile journey halfway around the Arctic Circle in the middle of winter, a remarkable, but unforgiving, time of year in the ice-bound region. He observes natural wonders and discovers the magnetic lure of the far north, swims with locals and much more.

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.