Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
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
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Mexico City is built on top of an underground resevoir!
47
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86