Mexico City is built on top of an underground resevoir!
47
One cubic mile of seawater contains about 50 pounds of gold.
79
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
The state with the longest coastline in the Continental U.S. is Michigan.
31
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175