Search for the Ultimate Bear Over seventy stone, more than four feet tall at the shoulder, sporting four-inch claws and paws that can dwarf a lion's the world's biggest bears are the largest land-dwelling carnivores on Earth. Adult polar, brown or black bears can take down just about any animal they want, including human beings. That's only part of their power: they can run as fast as horses and faster than Olympic sprinters, smell seals hiding under feet of snow and bite through thick tree branches. They're smart enough to get just about any food they want anywhere they find it. National Geographic goes one-on-one with this biological juggernaut and deconstructs its formidable combination of massive brawn and unbelievable powers of smell. Giant Pandas: The Last Refuge Deep in the nearly impenetrable forests of the Qin Ling mountains in eastern China, live some of the last remaining wild giant pandas on Earth. Few Westerners have ever observed these irresistible mammals in their natural habitat, closed to foreigners since 1949 and filming them was an almost insurmountable challenge. Take a fascinating journey to the world of these enchanting creatures to observe them in their natural environment. In this unprecedented National Geographic Special, we introduce you to an intimate portrait of the first year in the life of a wild giant panda and the continuing struggle to save the species. Travel with this group of naturalists as they suffer the rigours of the climate and the hardship of the terrain to study the seriously threatened species. Great Bear Rainforest Along the coast of British Columbia lies an enchanted wilderness, where bear-hunting wolves take to the sea, grizzlies clash in titanic battles and wild salmon are the pulsing lifeblood of an entire ecosystem. As this precious arc of habitat faces an uncertain future, threatened by chainsaws and fish farms, a team of dedicated scientists are racing to prove that it must be protected. National Geographic joins these experts on a 250-mile adventure through remote and unexplored territory, battling nature's most brutal elements and witnessing its breathtaking best. The scientists form a wilderness detective squad, collecting clues that will decipher the secret life of the forest's elusive inhabitants and perhaps even reveal a glimpse of the rare white spirit bear in Great Bear Rainforest.