The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The state of Florida is bigger than England!
74
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17