The state with the longest coastline in the Continental U.S. is Michigan.
31
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
One cubic mile of seawater contains about 50 pounds of gold.
79
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
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41