Arctic Secrets säsong 1

The Western Arctic's mammoth Mackenzie Delta is the second largest in North America after the Mississippi. Here we find strange and mysterious land forms above an immense underbelly of permafrost featuring a phenomenal diversity of microorganisms.

Nunavik is bigger than California and is a pristine wilderness of water, forest, and tundra, and home to the Inuit of Northern Quebec.

On the north-east coast of Baffin Island, in Canada's Arctic, lies Ninginganiq, a blustery wilderness where only the intrepid travel. In fall, it is so dangerous that even seasoned Inuit sailors keep away.

This episode visually illustrates how the Arctic, locked in darkness for nearly seven months, springs to life once the sun rises above the horizon. We explore ideas of migration, hibernation, the food web and habitat change.

Devon Island is the largest uninhabited island in the world, so remote and forbidding that scientists chose Devon to simulate living conditions on Mars. Devon's barren landscape only supports the hardiest of plants and animals.