Gary Parker

Survivor is more than the saga of a perilous journey. It's a story of a mother's bond, a species' endurance, and one extraordinary calf's breath-taking survival.

Follow ocean legend Sylvia Earle, renowned underwater National Geographic photographer Brian Skerry, writer Max Kennedy and their crew of teenage aquanauts on a year-long quest to deploy science and photography to inspire President Obama to establish new Blue Parks to protect essential habitats across an unseen American Wilderness.

The murder of Lizzie Borden's Mother and Father undergoes a forensic investigation - on this Discovery Channel special

Lazy relatives. Jealous neighbors. Runaway kids. The everyday troubles of one family - except this family is a pride of lions. Shot over three years during the most extreme seasonal changes in Africa, the film follows Mfumu - the pride's leader - as he struggles to defend his turf, and his mate Chipazuwa as she tries to produce offspring. Among the threats: a river infested with crocodiles that have taken every litter of cubs -- and a rival male, bent on taking over the pride.

Was Adolf Hitler influenced and motivated by the occult? Through the years, historians have debated the mysterious connection between the occult, Hitler and the Nazi party, including some who maintain that Hitler killed others to keep his occult beliefs a secret. NGC examines how Hitler's involvement with the German Worker's Party brought him face-to-face with occultists who may have influenced his beliefs.

As legend has it, there is an ancient curse associated with the mummys and tombs of the Egyptian pharaohs. Disturbing these embalmed remains has been said to bring bad luck, illness and death. Shortly after unearthing King Tut's tomb, Carnarvon was found dead.

The theology of the Book of Revelation

David Attenborough celebrates the amazing variety of the natural world in this epic documentary series, filmed over four years across 64 different countries.

An epic journey from the geysers of Yellowstone to the rugged Pacific coast of the Olympic peninsula, from the hot desert of Saguaro to the icy Gates of the Arctic, from the subtropical sea of grass in the Everglades to the world-famous peaks of Yosemite and from the mystic Smoky Mountains to the biggest gorge on Earth: the Grand Canyon.

Dinosaur Planet, not to be confused with Planet Dinosaur, is a four-part American nature documentary first aired on Discovery Channel in 2003. It was hosted by Scott Sampson and narrated by Christian Slater. Dinosaur Planet depicts dinosaurs living in various parts of the world 80 million years ago, using CGI. In actuality, a good part of the dinosaurs were designed by Mark Dubeau, who was the art director and primary creature designer on the aforementioned "When Dinosaurs Roamed America".