• 

  Now Playing
  NASA announces incredible discovery of Earth-like exoplanets

  00:32
• 

  Now Playing
  Urban wakeboarding on flooded California streets

  00:30
• 

  Now Playing
  San Jose floods after Coyote Creek overflows

  00:17
• 

  Now Playing
  Kids posing for selfie fall through frozen pond

  00:09
• 

  Now Playing
  Severe flooding in northern California

  00:24
• 

  Now Playing
  Bull leads police on a chase through Queens

  00:25
• 

  Now Playing
  Do we really gain weight in the winter?

  00:36
• 

  Now Playing
  Heavy rain leads to more evacuations in California

  01:00
• 

  Now Playing
  What is the Lake Berryessa 'Glory Hole'?

  00:43
• 

  Now Playing
  Winters chill to replace unseasonable warmth in...

  01:27
• 

  Now Playing
  Moose finds creative way to stay warm in harsh winter conditions

  00:25
• 

  Now Playing
  Drone footage shows Lake Berryessa 'Glory Hole' spillway overflowing for the first time in a decade

  00:25
• 

  Now Playing
  Lake Berryessa's 'Glory Hole' spillway fills with water for the first time in years

  00:12
• 

  Now Playing
  Clean-up underway after severe weather kills 5 in California

  01:00
• 

  Now Playing
  Storm flips freight train near Austin

  00:28