Genre: Documentary, Science, History
Premise: Historical clues and the expertise of geologists reveal how powerful forces shaped the planet; each episode examines a single location, such as the San Andreas Fault and Yellowstone National Park.
S01, E12 (First Aired: May. 5, 2009)
Volcanoes, landslides and tsunamis are among the forces that shape the Hawaiian islands; Hawaii's volcanoes might hold clues to the inner workings of the planet.