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