The World's Biggest Cave

Over 35 meters below sea in France’s Calanque National Park hides the entry to one of cave art’s greatest masterpieces: the Cosquer Cave. Only accessible underwater, this incredible cave adorned with paintings more than 27 000 years old is little known, yet threatened by rising sea levels. In order for its preservation and to make it accessible to the largest number of people, the Southern Region (Provence-Alps-Cote d’Azur) is creating a full-sized replica of this hidden gem and its incredible paintings.

Documentary series uncovering the secret lives of big cats, using the latest technology and scientific research to bring these animal superstars out of the shadows.

Program One KILAUEA: MOUNTAIN OF FIRE Ecosystems on Big Island Face No Small Challenge Kilauea, violent and beautiful, destructive and creative, continually molds Hawaii's Big Island. Kilauea: Mountain of Fire explores the incredible power of the volcano and the challenges of like in its shadow. Academy-winner F.Murry Abraham narrates. TV-G Program Two VIOLENT HAWAII From Rivers of Lava Springs Bedrock of Life Imagine a lost word with lava flowing down mountainsides, violent storms, monster waves, rock sides and even heavy snows. This isn't science fiction. It's Hawaii-where spectacular beauty was forged by fire, and created by Turbulent natural forces. Tony Award-winner James Naughton narrates this riveting HD visual journey. TV-G

Mackinac Island, Michigan, is a tiny island in the center of the Great Lakes. Besides being a world favorite "Horse Drawn" and "Victorian Era" summer destination, the island holds another treasure few have ever seen: its wild, magical and beautiful winters. The 72-minute film Ice Bridge follows islanders' unique and quirky lifestyle throughout an entire year while tracing the formation of the spectacular phenomenon known as the "ice bridge" (a three-mile span of ice that allows islanders to cross to the mainland).

The enchanting true-to-life tale of polar bear cubs and their mother on a 400-mile journey from their birth den in Svalbard to the pack ice surrounding the North Pole.

The life and the career of John Muir come to life through this inspiring and beautiful documentary set against the magnificent landscapes of the American West. The Scottish-born naturalist was one of the first nature preservationists in American history, inspiring others through his writing and his advocacy to keep the wilderness wild. Shot in high definition in the spectacular landscapes that shaped Muir - and were, in turn, shaped by his devotion.

A documentary of insect life in meadows and ponds, using incredible close-ups, slow motion, and time-lapse photography. It includes bees collecting nectar, ladybugs eating mites, snails mating, spiders wrapping their catch, a scarab beetle relentlessly pushing its ball of dung uphill, endless lines of caterpillars, an underwater spider creating an air bubble to live in, and a mosquito hatching.