The grey whale migrates 12,500 miles from the Artic to Mexico and back every year.

The reason why locusts swarm are because when they are in groups, a "hot-spot" behind their hind legs is stimulated, which in turn causes their destructive nature. A large swarm of locusts can eat eighty thousand tons of corn in a day.

The oldest documented footwear found was a 8,000 year-old sandal found in a cave located in Missouri, USA.

AMAZING FACTS