There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
The New York Stock Exchange started as a coffee shop!
99
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
Contrary to popular belief, hair does not grow back darker and thicker after it has been shaved.
71
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
In the White House, there are 13,092 knives, forks and spoons!
51