Forest fires move faster uphill than downhill.
52
The Caspian Sea is also classed as the world's largest lake.
52
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
The state with the longest coastline in the Continental U.S. is Michigan.
31
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
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41