All the gold ever mined could be molded into a cube 60 feet high and 60 feet wide.
38
In many countries, urine was used as a detergent for washing.
17
A million dollars' worth of $100 bills weighs only 22 pounds!
32
Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.
13
The streets of Victor, Colorado, once a gold rush town, are paved with low-grade gold.
78
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
It takes 492 seconds for sunlight to reach the Earth!
44