But the real shock lay in the British Museum's pronouncement ... stories to tell about the origin and function of the crystal skulls. One encounter, in Guatemala, was particularly chilling.

Crystal skulls are not uncommon or terribly mysterious. Thousands are produced every year in Brazil, China, and Germany. But there are a handful of these rather macabre objects that have fueled ...

Crystal skulls arrived on the archaeological scene in the 19th century. No one knew who made them. Eventually, they all ...