Watch Dead or Alive

In Florida, a landscape gardener is grabbed by the waist while working near a pond. Elsewhere in the state, a swimmer falls victim.

A Californian billionaire's money is no protection against an elephant on the Serengeti, and a fisherman comes up against an angry male.

A veteran safari guide is attacked on the Zambezi River. Fourteen years later, Javier Franco's canoe is capsized on the same stretch of water.

National Geographic details two brutal shark attacks -- one of them fatal -- that left victims stunned and local communities on edge.

A group of teenagers come face to face with a grizzly whilst camping in the woods.