The Arctic Circle is one of the last great wildernesses on earth. Find out what it takes for animals trying to survive in this incredible, highly unforgiving landscape. Follow a year in the life of the many animals that have learnt to survive in the frozen Taiga forest, including the brown bear and Amur leopard. The Arctic tundra is one of the coldest and driest places on the planet. Explore the remarkable diversity of life in this piercing sub-zero climate. Then our journey takes us to Iceland - From polar bears to puffins, the island is home to some of the planetâ€™s most spectacular creatures. Explore the natural history of this unique island.