Wonders of the National Parks: A Geology of North America

Yellowstone’s Cataclysmic Origins and Future (1x2)

Air date: Oct 22, 2015

Read the evidence in the rocks to discover Yellowstone’s bigger story: the massive volcanic eruptions that created the region and will one day destroy it, the glaciers that shaped the terrain, and the meltwater floods that carved the impressive Grand Canyon of Yellowstone.