Mystery The Giant Stone Spheres of Costa Rica Nobody Can Fully Explain
More than 400 carved stone balls, some weighing 26 tonnes, made by hand over a thousand years ago. We know who made them and roughly how. Nobody can say why.
Unsolved Historical Mysteries
A real mystery is more interesting than an invented one. Each piece here separates what is documented, what is disputed and what is simply unknown.
Mystery More like this
Mystery The Manuscript Nobody Has Ever Read
A 240-page medieval book written in an unknown script, illustrated with plants that do not exist. Here is what is actually established about it, and what is not.