The Atlantic Ocean is saltier than the Pacific Ocean.
54
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The state with the longest coastline in the Continental U.S. is Michigan.
31
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
There are more than 50,000 earthquakes throughout the world every year!
47
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 Caspian Sea is also classed as the world's largest lake.
52