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How the Earth Was Made: 2x12
America's Ice Age
A look at past Ice Age eras that Earth has experienced throughout its existence; how the slightest changes in the planet’s orbit and angle of rotation can bring them about; how long they can last, and when the Earth will endure another.
2 - 1Grand Canyon Nov. 24, 2009
2 - 2Vesuvius Dec. 01, 2009
2 - 3Birth of the Earth Dec. 08, 2009
2 - 4Sahara Dec. 15, 2009
2 - 5Yosemite Dec. 22, 2009
2 - 6The Rockies Dec. 22, 2009
2 - 7Ring of Fire Jan. 12, 2010
2 - 8Everest Jan. 19, 2010
2 - 9Death Valley Jan. 26, 2010
2 - 10Mt. St. Helens Feb. 02, 2010
2 - 11Earth's Deadliest Eruption Feb. 09, 2010
2 - 12America's Ice Age Feb. 16, 2010
2 - 13America's Gold Mar. 02, 2010