The flood -- one of nature's most destructive phenomena -- is the star of this breathtaking installment of the Learning Channel's "Untamed Earth" series, which spotlights a different natural disaster in each episode. In this program, host Mark Hamill takes viewers into the heart of actual flash floods, where property is annihilated in mere moments. Hear eyewitness accounts of flood survivors, and learn how new technology aids in rescue efforts.
