Home to a unique range of wildlife found nowhere else on Earth, Ed's in Madagascar, taking on a vast array of tough landscapes.

  When Brenda and her mother are murdered, the residents of Cape Girardeau were sent reeling. After another death, the town fears a killer is terrorizing their town.

  The Dakota Boys are digging down to bedrock gold but when they hit the biggest boulder of the season Dustin is forced to rig a new mechanical solution   the Graboid.

  On a sunny summer day in Orlando, FL, a city known for theme parks and family fun, a professional woman vanishes in broad daylight.

  The Dakota Boys' desperate bid to hit bedrock gold is thwarted when 73-year-old Fred's heating system fails mid-dive and he's is overcome by the glacial Alaskan water.

  In the snake-filled Mississippi swamps, Gabrielle and Brian are faced with deadly snakes, mosquitos, nocturnal predators and a relentless week-long thunderstorm.

  One survivalist falls into a fire after weeks of depleted energy. With just days to go, the pair makes a plan for survival but will it cost them the challenge?

  The victory on the battlefield was often decided not by strategy and bravery alone, but also by secret information coming from the shadows.