Bruce Parry sets off on another journey to uncover the people that live in one of the harshest environments on the planet; the Arctic circle.
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.
Eden is home to some of the world's greatest storytellers.
The Frozen Planet showcases some of the world's harshest environments.
Polar pictures from the programme Vanishing Antarctic.