Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
One cubic mile of seawater contains about 50 pounds of gold.
79
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
There are more than 50,000 earthquakes throughout the world every year!
47
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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