Did the Knights Templar discover a great treasure in Jerusalem? Did they bring it back to Europe and become more powerful than the Pope himself? Why did it disappear? We try to solve one of the greatest mysteries of all time.

In 1917, did three Portuguese children receive a prophecy in Fatima that foretold the date of the apocalypse? Did it warn of a plague and the destruction of the church? And has the Vatican covered it up for nearly a century?

A look at the controversial theory that Jesus was married and had children.

A visit to the island of Sardinia in the Mediterranean Sea to examine reports of large human skeletons found in a network of caves.

Did the High Priests of the Temple in Jerusalem, hide their most sacred items before the city was sacked by the Romans? Are the Dead Sea Scrolls actually a treasure map to these hidden wonders? What else lies under this ancient city?

Jamie talks to author Joy Hancox about the alchemical roots of London, the design of famous buildings such as The Globe theatre and the mysterious figure of English poet John Byrom. He also meets a modern day potion maker.