Is there a volcano beneath Yellowstone National Park? Could an earthquake, "the big one," hit the Pacific Northwest? And could a tsunami ravage the East coast? Dive beneath the Earth with Nat Geo Animals to examine potential catastrophic events in this X-Ray Earth MEGA Episode. Using thousands of...
132 min - Disasters & Survival - Nat Geo Animals
More: Earthquakes, Volcanoes & Tsunamis documentaries