The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
In 1850, only 8% of the people in California were women.
0
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
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
Even Antarctica has an area code. It's 672.
58
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63