The state with the longest coastline in the Continental U.S. is Michigan.
31
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
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
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
The Atlantic Ocean is saltier than the Pacific Ocean.
54
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138