A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Even Antarctica has an area code. It's 672.
58
The Caspian Sea is also classed as the world's largest lake.
52
