Resurrect Dead: The Mystery of the Toynbee Tiles

Filmmaker Jon Foy investigates the mystery of the so-called "Toynbee tiles" -- bizarre plaques that have appeared embedded in concrete in cities throughout the U.S. and South America since the 1980s, and feature enigmatic messages about resurrecting the dead. Now, the more that Jon and his friend Justin Duerr search for answers, the greater their obsession with uncovering the truth behind these obscure artifacts grows.