Despite its fame as the filming location for the infamous movie "Jaws," Cape Cod has long been a peaceful tourist destination with no shark attacks in nearly 80 years. In 2012, all that changed. With shark experts Dr. Greg Skomal and Dr. Dan Huber, discover the fascinating and unique circumstances that created a predator nightmare, including four attacks and 600 sightings within four years.

The Bahamas is a nation of 700 islands with some of the most biodiverse marine life in the world. Despite being home to 40 species of shark, attacks on humans are unusual. But in 2002, the number of vicious encounters tripled and 36 people were left maimed or dead. What has caused this terrifying spike and turned this paradise into a hell?

The Carolina coast boasts 500 miles of safe sandy beaches, making it a premiere tourist destination. But in 2015, this family vacation hotspot became a shark attack hell. Day after day, adults and children had dangerous encounters, eventually totaling an unprecedented 16 victims. Limbs were lost, lives were changed, and we are on a mission to figure out why.