Mexico City is built on top of an underground resevoir!
47
One cubic mile of seawater contains about 50 pounds of gold.
79
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
There are approximately three chickens for every human on Earth.
13
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The state of Florida is bigger than England!
74
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55