Following James Cracknell and Ben Fogle as they race to the South Pole.
Endurance and team work in one of the most beautiful but unforgiving of habitats.
Take a look at some spectacular images from Gordon Buchanan's Polar Bear Family & Me.
The technology used to film this stunning series helped gather some incredible images.
The Operation Iceberg team follow the epic journey of an iceberg out at sea.
We went to the ends of the earth for this to test your Arctic and Antarctic knowledge.
What can be more inhospitable than the cold, white emptiness of the frozen polar tundra.
Adventurer Ben Fogle has had a remarkable life so far.
Polar pictures from the programme Vanishing Antarctic.
Watch highlights from our live Ask Attenborough event with Sir David.