Wonders of the National Parks: A Geology of North America

Redwoods, Sequoias, and the Sierra Nevada (1x11)

: 22, 2015

Dig deeper into the geology of Yosemite, charting the role of glaciers in shaping the terrain. Also, learn the origin of California's famous gold deposits. Then study the special conditions that promote the growth of giant sequoias, and visit the national parks that preserve these towering trees for posterity.