Jane MacLaren Walsh, a Smithsonian Institute curator, traces the origin of the 31-pound quartz crystal skull sent to the museum in 1992. Blending science with the supernatural, Walsh and her team embarked on an incredible global mission to uncover the mythical powers of the ancient carbonless relic. Their remarkable findings come together in this fascinating docudrama. 2008/color/46 min/TV-G/widescreen.