A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Check your map! Virginia extends farther west than West Virginia.
67
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
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The average ice berg weighs 20,000,000 tons!
54
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62