Sitting on top of one of the world’s largest super-volcanos are 3,500 square miles of the most spectacular American wilderness. This summer, National Geographic Channel opens this world to you LIVE with a four-night special event. The action reaches boiling point in the world’s first National Park, ...
First Air Date: 2018-08-05
Last Air Date: 2019-06-26
Status: Ended
Number of Seasons: 2
Number of Episodes: 8