There's a road in Lancaster, CA that has grooves carved in such a way that when you drive over them at 55 MPH, they will play a part of Rossini's "The William Tell Overture."
16
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
In 2012, redditor laporkenstein forged his own wedding ring out of a Gibeon meteorite.
4
An African Baobab tree in South Africa, known as Big Baobab, has a circumference of 154 feet and even has a bar inside the trunk that can fit 60 people.
14
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15