Switzerland is the only country in the world that requires all of its citizens to have 24/7 access to a bunker.
There is a semi-secret city under Las Vegas, inhabited by hundreds of people.
By 400 BC, Persian engineers had mastered the technique of storing ice in the middle of summer in the desert.
Robert Hansen, an Alaskan serial killer flew his victims up into the mountains and later hunted them down.
The first webcam was created to watch a pot of coffee.
Clyde Barrow (Bonnie and Clyde) once wrote a letter to Henry Ford, thanking him for the reliability and performance of his V-8 automobiles.
Some viruses are so large, other viruses infect them.