The Serengeti is a huge area of grassland in Tanzania, Africa. Once every year, in a time of great drought, about two million herd animals like wildebeests, zebras and antelope travel north 500 miles across the plain to feed and mate before moving back south again.

Nominated for an Academy Award for Best Short Documentary, narrator Charlton Heston will take you on a journey into the heart of the northernmost U.S. state where survival takes on a whole new meaning every day. Experience the strength of the spirit reflected in those lives challenged by its harsh conditions and witness the majesty and splendor of the Alaskan wilderness.

Discover a new world and learn of Antarctica's wildlife in a way never before possible. Join in the search for scientific clues locked in centuries-old ice, fly over towering glacial peaks, dive through a submerged crystalline cavern in Chaos Glacier and join a company of penguins in an underwater ballet.

Discover the world of bears and experience a fascinating encounter with one of nature's most inspiring and misunderstood creatures. From a past steeped in mythology to a future shrouded in uncertainty, this film contains stunning footage of these enterprising omnivores in the full glory of their varied natural habitats.