Expedition Unknown - Season 15

In the season premiere, Gates uncovers the truth about Adolf Hitler's terrifying Amerikabomber, a long-range airplane designed to bring the terror of the Third Reich to the United States and obliterate New York City. Unearthing still-sealed Nazi tunnels and long-lost top-secret weapons factories in Poland, he'll take viewers into a subterranean facility that may have been used to manufacture Hitler's dream killing machine. 

Josh braves the African savanna to investigate the rampage of two lions who killed as many as 135 railroad workers in 1898. To prevent more bloodshed, Josh joins wildlife rangers tracking a pair of rogue lions who are on a modern-day killing spree.

Josh saddles up to investigate a scandal over the remains of Buffalo Bill Cody. A first-hand account claims Bill's body was stolen and buried 500 miles away. With new leads and cadaver dogs, Josh digs for the cowboy's grave and the truth.

Josh dives into a mysterious Greek sea passage known as the ancient world's shipwreck capital, claiming 58 ships and counting. Chasing truth and treasure, Josh separates fact from myth and learns what makes these waters as deadly as the Bermuda Triangle.

Josh braves the South Carolina swamps to search for the lost treasure of the infamous Anne Bonny. The Pirate Queen used her wits, beauty and daring to steal millions in booty. While recovering coins, Josh may have unearthed Anne's secret trading post.

Armed with a new eyewitness account and cutting-edge tech, Josh travels to Micronesia and dives the Pacific to find a lost P-47 Thunderbolt. Piloted by an American hero, it took part in a daring raid during the final days of World War II.

Josh investigates rumors swirling around a Turkish dig site that is 6,000 years older than Stonehenge. Separating fact from fiction, they uncover evidence of tribal skull rituals, debunking the legend of an alien-constructed observatory.