Author Susan Casey studies the phenomenon of 100-foot waves that defy physics.
PHOTOS: Big-Wave Surfing
Rogue waves are the most threatening and beautiful monsters of the ocean. Reaching heights of 100 feet or more, these mammoth waves are deadly, hard to predict, and more common than once thought.
"I always tell people dinosaurs are dead, but big waves aren't," said Susan Casey, author of "The Wave." "To see a wave [that] is eighty or a hundred feet and be out in those waves, it's like being amongst the dinosaurs."