Mysteries of the Outdoors — Season 1, Episode 1: Portal to the Underworld
Documentary • 21 min • 2 seasons, 20 episodes • ★ 10.0/10
Episode synopsis
Ghosts from a bizarre plane crash and a mysterious underground city point to powerful forces at work inside the Grand Canyon National Park.
About Mysteries of the Outdoors
North America's outdoor country represents an expanse of virtually unexplored wilderness, making it a hotbed for mysteries and the unexplained. There have been hundreds of true tales reported by people every year. Now through eyewitness accounts and key facts, the hidden stories of these beautiful locales are revealed.