Coast Guard Alaska

While dangerous, extreme weather makes for some riveting video and lends itself to being easily shared online and going viral. Such videos of destructive weather are featured on this series, which showcases the weather footage in addition to featuring first-hand accounts of survivors who lived through the treacherous conditions. On-air meteorologists also share their tales of being on the front lines and experiencing the fury that Mother Nature sends their way, sometimes even becoming the story themselves. Tsunamis, lightning storms and tornadoes are among the weather phenomena that take center stage on "Weather Gone Viral."

The words 'Dangerous Day Ahead' appeared in the last tweet sent by storm chaser Tim Samaras, just hours before he, his son Paul Samaras and chase partner Carl Young were killed while chasing the El Reno, OK tornado on May 31, 2013. Special recounts the chasing activities of the Samaras team, Weather's Mike Bettes and his Tornado Hunt team, and Juston Drake and Simon Brewer of Weather's Storm Riders, as they followed, recorded and reported on the deadly storm.

A journey through the eyes of adventure traveler and marine biologist Mike Corey as he explores oceans, swamps, mountains and deserts. Weather and the environment shape each location and the lifestyles of people who live there. Mike explores incredible destinations and shows viewers how to experience them in an off-the-beaten-path style.

The holiday tradition began a century ago. A ship loaded down with freshly cut pine trees would dock along Chicago's waterfront while the captain jovially welcomes families aboard to select a tree for Christmas. This one-hour Storm Stories special explains how The Christmas Tree Ship and its captain became a part of holiday lore.

Humans may think they know about Earth, but there's a lot about the third planet from the sun that most don't. This series takes a look at some of its aspects -- with which the average person may be unacquainted. Computer graphics and scientists reveal new facts about Earth that include rain triggered by cosmic rays, and canyons of gravity that warp space and time. "Secrets of the Earth" explores this world, providing data and inspiring a sense of awe that people usually feel about other celestial bodies.