Survivalist Les Stroud heads to the edge of the Alaskan Arctic to find out how polar bears are being forced to adapt to their dramatically changing environment.
Survivalist Les Stroud heads to the edge of the Alaskan Arctic to find out how polar bears are being forced to adapt to their dramatically changing environment.
Les fights to keep up with the great Arctic Alaskan caribou herd as they race across the icy tundra on one of the world's longest, natural land migrations.
Les fights to keep up with the great Arctic Alaskan caribou herd as they race across the icy tundra on one of the world's longest, natural land migrations.
