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?

Was Jesus really a flesh-and-blood rabbi? Did he marry and have children? And was his wife somehow smuggled out of Jerusalem by boat to southern France? It's one of the great mysterious questions of our time - but is it true?

Why do so many of our ancient cultures refer to giants? Are they simply myth and legend or did they once walk the earth? And are there tombs and skeletons of these giants now being discovered in Sardinia?

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?

Nostradamus, Nicolas Flamel, John Dee; who were these alchemists who had such a profound effect on the world? Were they clever decievers, or could they really perform miracles? And how did they do it?