National Geographic

Journey to the rain forests of Costa Rica and explore its countless natural wonders.

Track the elusive and endangered giant panda and learn how man can increase its chances of survival.

Shows students of the Colorado Outward Bound School as they confront themselves and some of nature's greatest challenges. Features their climb of Santa Rosa Peak in the Peruvian Andes.

"Journey" inside the human body, using advanced technology of microscopic photography and sound, including scenes of heat radiation, color x-rays and camera exploration of a living human heart.

Watch some of the creatures unique to Australia's shores as investigators and scientists probe the secrets of this infinitely varied wildlife.

Follow two landmark decades of Jane Goodall's work with chimpanzees.

Join scientists as they study the behavior of huge, powerful alligators in the Okefenokee wilderness.

Dr. Robert Ballard of Woods Hole Oceanographic Institute and his research team become the first undersea explorers to locate, photograph, and explore the wreckage of the ill-fated RMS Titanic, which sank on her maiden voyage 2 1/2 miles deep in the icy waters of the Atlantic Ocean in 1912, taking 1500 passengers and crew with her to a watery grave. Utilizing dazzling state-of-the art equipment and cutting edge expertise, they record the decaying remains of the ocean liner once thought "unsinkable".

By night, they're ruthless hunters who stalk their prey with a keen sense of sight and smell. By day, they're playful, loving companions for millions. Today, cats outnumber dogs as America's favorite pet. Worshiped in ancient Egypt and persecuted during medieval times, domestic cats over the centuries have been feared and adored. As comforting companions, cats provide therapy for the elderly and autistic. But as dramatic sequences show, the behavior of cats is never far removed from that of their cousins in the wild. If you've ever wondered why cats always land on all four feet or what makes them purr, watch this movie.

Mountain Gorilla takes the viewer to a remote range of volcanic mountains in Rwanda, Africa, described by those who have been there as ""one of the most beautiful places in the world"", and home to the few hundred remaining mountain gorillas.