In the second of two Indiana Jones inspired pages we take a look at the real crystal skulls. They don’t come from outer space but nonetheless have provoked plently of controversy. The Smithsonian Institution, The Musee Quai Branly and the British Museum all have crystal skulls in their collections. There is also the famous Mitchell-Hedges skull. This page takes a look at what we know of these mysterious objects. The recent Indy film has flushed out new information, opinion and an academic paper in the Journal of Archaeological Science. We tell you what they discovered.