Deadliest Swim Vacations

Everyone wants to hit the water for summer vacation. But there are plenty of places where you should think twice before taking a dip -- it might be your last. The water may look fine, but there are dangers underwater and on the surface. After 2010's succession of shark, jellyfish, and crocodile attacks, travelers wanting to cool off this summer would be wise to take extra care in these locations. Read on for the most dangerous waters in the world.