Josh treks high into the Sky Caves of Nepal in search of the origins of the Shangri-La myth, the fabled heaven on earth.

Josh Gates takes a turn as a game show host in this special episode. As Josh visits some of the most beautiful, jaw-dropping and remote locations on Earth, he quizzes the tourists and locals with trivia based on his special blend of adventure, history and humor. He's got a few fun prizes as well. And for viewers playing along at home, there's a bonus prize of highlights and never-before-televised footage from his recent investigations.