Journey to Shark Eden [Blu-ray-

Along the southern Line Islands lay a series of coral reefs teeming with sharks and exotic ocean life. Join leading marine ecologists and National Geographic Emerging Explorer and Fellow, Enric Sala, as they explore this utopia for sharks and discover valuable clues about how to preserve this delicate ecosystem. In an expedition of a lifetime, National Geographic investigates the amazing web of life that exists on one of the planet's last, pristine coral reefs.