How Crop Circles Work

Are crop circles the work of alien visitors? Are they a natural phenomenon? Are they elaborate hoaxes perpetrated by some very dedicated humans? HowStuffWorks takes a look into the mystery of crop circles -- what they are, where they can be found, how they can be made and how researchers are trying to separate the supernatural from the scientific.

How Crystal Skulls Work

To some people, a crystal skull is simply a crystal in the shape of a human skull. But to those who believe in the supernatural, it can represent doom and destruction or hope and healing.

How Spontaneous Human Combustion Works

How could a man catch fire -- with no apparent source of a spark or flame -- and then burn so completely without igniting anything around him? Read tales of spontaneous human combustion and find out what science says about it.

How the Bermuda Triangle Works

You won't find it on any official map and you won't know when you cross the line, but according to some people, the Bermuda Triangle is a very real place where dozen of ships, planes and people have disappeared with no good explanation.

7 Disappearances in the Bermuda Triangle

Many unexplained disappearances have occurred within the Bermuda Triangle. The Bermuda Triangle is a stretch of the Atlantic Ocean that borders Florida, Bermuda, and Puerto Rico. Read about the ill-fated pilots who have fell victim this mysterious area.

Bermuda Triangle Pictures

What are crop circles?

Farmers have reported finding strange circles in their crops for centuries. What are crop circles and how are these gigantic patterns formed? Find out the answers to these questions in this article.