Hidden behind bullet proof glass, guarded by a mysterious order of knights, could this stone cup really be the legendary Holy Grail? And the horrific, mythical monster, half man, half bull that devoured its human victims trapped inside a terrifying labyrinth. But could the blood-curdling legend of the Minotaur be linked to a real place?

Less famous then the Shroud of Turin could the Shroud of Oviedo actually be Christ's burial cloth? NGC traces the blood-stained relic to Israel in a quest to determine whether it holds Christ's DNA, and in a most chilling discovery finds that it contains no evidence of a father's DNA.

Examining the medieval myth of the Philosopher's Stone, a Holy Grail-type relic which supposedly held the key to alchemy and immortality. Many noted alchemists and adventurers searched obsessively for the artefact hoping to learn its powerful secrets, a quest which allegedly drove some to madness and others to celestial encounters. It's one of the most coveted artefacts of the Bible: a gold-encrusted chest containing the Ten Commandments. Can modern scholarship explain the awful powers of the Ark of the Covenant and tell us how it vanished and where it is today?