An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Australia's Great Barrier Reef is 1,250 miles long!
45
Forest fires move faster uphill than downhill.
52
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Mexico City is built on top of an underground resevoir!
47