The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
The hands of the clock on the back of the $100 bill are set at approximately 4:10.
72
A Swiss man replaced his car's broken heater with a fully functional wood burning stove.
15
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
In the U.S., more than 10% of lottery prizes go unclaimed!
55
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Dartboards are made out of horsehairs.
129