The Caspian Sea is also classed as the world's largest lake.
52
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Europe is the only continent without a desert.
62
Israel's Dead Sea is 1,312 feet below sea level.
48
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The city of Houston, Texas is built on a swamp and is slowly sinking!
89