Ancient X-Files Episode Rating Graph

The archaeological findings of Gobekli Tepe, a Neolithic hilltop sanctuary in Turkey, and the discovery of a series of maimed bodies at a muddy landscape in Ireland.

A mysterious burial 4,000 years ago and the recent discovery of a body with a missing heart leads to a search for the world's oldest vampire. Following the trail of the oldest suspected vampire, and a look into alleged sightings of two alien-like children in an English village.

Her enigmatic smile has fascinated art lovers for centuries – but could the Mona Lisa really contain a secret message from Da Vinci? New high-resolution images of the Mona Lisa may reveal hidden numbers and letters. Could they be the key to understanding the enigmatic painting? Also, see a grisly find in the oldest subterranean temple in the world.

Could the mysterious medieval sword lodged in stone in a remote church in Italy be connected to the legend of King Arthur? A world expert on Arthurian legends is on a mission to find out how a tiny pendant challenges the origins of Christianity, and the mysteries surrounding the so-called Orpheus amulet.

Following clues in the Old Testament, an archaeologist believes he has discovered the location of the original cities of sin, Sodom and Gomorrah. Go in search of the infamous Biblical cities of sin supposedly destroyed by the wrath of God. Can they be found? Plus, British computer programmer Nick Pelling attempts to crack ‘the most mysterious document in the world’.

Dr Sabine Hyland attempts to study the three dimensional language found in sacred knotted Incan relics and crack their intricate code. The puzzling mysteries of ancient Incan counting devices and the secret navigational systems of the Vikings come under scrutiny, as two more enigmas from the past face expert modern analysis.

Ancient artefacts that defy rational explanation come under the microscope, as this series explores the unsolved mysteries of the past. Mary Magdalene has long been known as a repentant sinner and witness to the resurrection but newly uncovered Christian artefacts point to her as a victim of the biggest conspiracy in history.

Millions of Christians retrace Christ's footsteps every year, but now an archaeologist claims that they may be worshipping at the wrong sites. Experts cast astounding new light on Jesus's crucifixion.

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?

Jesuit priest Father Patrick Hough visits Notre Dame Cathedral to examine a relic that's said to be the crown of thorns worn by Christ at his crucifixion. Then head to the mountains of Peru to investigate a hoard of mummies found preserved in disturbing positions.