An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The average ice berg weighs 20,000,000 tons!
54
The state with the longest coastline in the Continental U.S. is Michigan.
31
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138