The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Europe is the only continent without a desert.
62
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
There are approximately three chickens for every human on Earth.
13
The Sahara desert expands at about 1km per month.
90
The state with the longest coastline in the Continental U.S. is Michigan.
31
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138