An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
There are approximately three chickens for every human on Earth.
13
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The Sahara desert expands at about 1km per month.
90
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
The Amazon rainforest produces more than 20% the world's oxygen supply.
182