An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Check your map! Virginia extends farther west than West Virginia.
67
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
The water of the Antarctica is so cold that nothing can rot there.
334
Mexico City is built on top of an underground resevoir!
47