An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The Caspian Sea is also classed as the world's largest lake.
52
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The water of the Antarctica is so cold that nothing can rot there.
334
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Forest fires move faster uphill than downhill.
52