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
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
There are more than 50,000 earthquakes throughout the world every year!
47