An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Every year, Alaska has about 5,000 earthquakes.
31
The Sahara desert expands at about 1km per month.
90
More than 25% of the world's forests are in Siberia.
51
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40