There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
There are more than 10 million bricks in the Empire State Building!
75
New York's Central Park is nearly twice the size of the entire country of Monaco.
42
If you get water flowing fast enough, it can cut metal.
354
The ashes of the average cremated person weigh nine pounds.
40
It's impossible to kill yourself by holding your breath.
22
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
In Tokyo, a bicycle is faster than a car for most trips of less than 50 minutes!
58