An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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There are approximately three chickens for every human on Earth.
13
The Niagara Falls moves upstream at an average rate of about 295ft a century!
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It's still possible to see the division between East and West Germany due to different light bulbs.
5
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
There are more than 50,000 earthquakes throughout the world every year!
47