Shark Men: Tracking the Great White Shark
Scientists trolls the seas off the coast of Mexico to study these predators.
Shark Men: Hunting for the World's Largest Predatory Fish
Videographer Manu San Felix films the reef around Vostok Island. The island is one of four wildlife sanctuaries in the Line Islands and the least disturbed island in the group. (National Geographic, tune in to "Journey to Shark Eden" on the National Geographic Channel)
Slideshows
