The average ice berg weighs 20,000,000 tons!
54
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Even Antarctica has an area code. It's 672.
58
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Forest fires move faster uphill than downhill.
52
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138