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, Yellowstone.

Cast:Josh Elliott, Chris Packham, Jenna Wolfe,

Genre:Documentary,

country:United States of America,

Production:Plimsoll Productions,