Three individuals push beyond their limits to achieve their goals, as a novice tree climber conquers a massive redwood, a greenhorn diver gathers vital samples in the depths of the ocean, and a rookie volcanologist risks venturing into an active volcano to secure her dream position.
Aired: Jan 28, 2016A novice caver takes on a perilous Tennessee cave, while three aspiring tree ...
Aired: Feb 4, 2016A novice tree climber's hasty decisions put his team at risk as he disregards...
Aired: Feb 11, 2016Erik risks his life on a treacherous underwater salvage operation to recover ...
Aired: Feb 18, 2016A novice diver takes on a daunting task, aiming to construct a complex underw...
Aired: Mar 10, 2016Three individuals push beyond their limits to achieve their goals, as a novic...
Aired: Mar 18, 2016Sarah's inaugural expedition takes her deep into the fiery core of an active ...
Main Cast
Current Status: Returning Series
Network: Discovery
Production Country: United States
Genres:Reality-TV
