An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
One cubic mile of seawater contains about 50 pounds of gold.
79
The Atlantic Ocean is saltier than the Pacific Ocean.
54
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Every year, Alaska has about 5,000 earthquakes.
31
The average ice berg weighs 20,000,000 tons!
54