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
Check your map! Virginia extends farther west than West Virginia.
67
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18