Wonders of the National Parks: A Geology of North America

Grand Teton and Jackson Hole (1x3)

: 22, 2015

At Grand Teton National Park south of Yellowstone, an active fault lifts some of North America's oldest rocks to the summits of some of the continent's youngest mountains. Explore these glacier-sculpted peaks, and learn the origin of the broad valley, called Jackson Hole, at the base of the Teton Range.