ABC World News Tonight With David Muir

Josh Gates hunts down new evidence on the disappearance of Amelia Earhart. He first treks to uncharted tribal lands of Papua New Guinea and ends his journey in Fiji, hoping to uncover Earhart's remains.

Josh Gates travels to the remote and landmine-riddled jungles of Cambodia to investigate the lost city of the Khmer Empire and search for a mystical relic that over 1,000 years ago gave its God king the power to incinerate his enemies.

Josh is on the trail from Russia to Germany in search of history's most expensive stolen object, The Amber Chamber. Retracing the steps of Nazi soldiers, Josh explores abandoned Nazi bunkers and a hazardous German mine.

Josh Gates journeys across the American Midwest in search of the legendary golden loot of Jesse James. Along the way, Josh debunks Jesse James myths, rappels off a cliff on Wichita Mt., and treasure hunts into Buzzards Roost.

Josh treks the stone-paved Inca Trail, ascending 20,000 ft. through the Andes and into the Peruvian Amazon in search of the undiscovered City of Gold. His road to riches takes a detour to the legendary ruins of Machu Picchu.

Josh travels to the United Kingdom and Norway to unlock the secrets of the Viking Sunstone, a mystic crystal the Vikings used to conquer the seas. He explores a crypt in a Nordic church and descends 1000 ft. into a deserted mine.

Josh Gates dives into the Lajas Reef in search of treasure chests on the sunken flagship of the legendary pirate Captain Henry Morgan. His journey takes him to Panama City, where he visits a modern marvel -- the Panama Canal.

Josh Gates scours the Virginia backcountry in search of the legendary Thomas Beale treasure, worth millions today. With encrypted codes hiding its whereabouts, he takes a detour to Philadelphia to uncover missing pieces to the puzzle.

Josh Gates unearths human skulls and ancient Mayan sacrificial alters in the caverns underneath the jungles and ruins of Mexico while investigating the fall of the remarkable Maya empire.

Josh Gates flies to Peru to investigate giant geoglyphs drawn into the earth by ancient Nazca tribes. By studying newly found lines and joining a Nazca psychedelic ritual, Josh uncovers the true meaning behind the mysterious tracings.

Josh Gates explores ancient shrines hidden in the mountains and underground tunnels across Japan in search of the mystical Honjo Masamune sword. Along the way, Josh learns the ways of the samurai and forges his own sword.

Josh Gates joins local divers in the Southeast Asian country of Myanmar to search for the Great Bell of King Dhammazedi. To recover this ancient artifact, Josh plunges into murky, violent waters that have claimed the lives of other divers.