The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Check your map! Virginia extends farther west than West Virginia.
67
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25