One cubic mile of seawater contains about 50 pounds of gold.
79
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Israel's Dead Sea is 1,312 feet below sea level.
48
There are more than 50,000 earthquakes throughout the world every year!
47
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The state of Florida is bigger than England!
74
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62