Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
The state with the longest coastline in the Continental U.S. is Michigan.
31
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