Dr. Fern Riddell and Dr. Karen Bellinger examine the reasons for the apparent rapid collapse of the Western Roman Empire in the fifth century, specifically from 476AD. Did it fall, or was it pushed?

With unimaginable wealth and power, Cleopatra was a great woman of her era and one of the most iconic figures of the ancient world. A political genius, a brilliant academic with history-making alliances with Julius Caesar and Mark Antony.

In the North Atlantic, a region bordered by Miami, Puerto Rico and Bermuda has come to be known as The Bermuda Triangle. Strange happenings, disappearances and unexplained sightings hold the worlds imagination.

Dr. Fern Riddell and Dr. Karen Bellinger examine the historic belief by some Europeans in the 16th and 17th centuries, that somewhere in the New World is a place of immense wealth known as El Dorado. Many explorers were led on fruitless treks into the rainforests and mountains of South America, in search of this lost city of gold.

The 10 plagues of Egypt, which saw water turning to blood, frogs, lice, flies, livestock pestilence, boils, hail, locusts, darkness and the killing of firstborn children. As detailed in the Bible, they were sent by God to convince Pharaoh to free the Israelites.

The life and times of King Ramses II, who oversaw the construction of more monuments and sired more children than any other Egyptian king.

Nostradamus gained much fame with his book published in 1555 called 'The Prophecies'. In it he claimed to be able to predict historical events through celestial calculations, and the team puts this to the test.

The story of Mary Magdalene, who traveled with Jesus as one of his followers, witnessed Christ's crucifixion and the first witness to the Resurrection. She is known in some Christian traditions as the 'apostle to the apostles'.

Myths and alleged facts about the Crystal Skulls abound in history. The Truthseekers team sets out to try and eliminate some of the fiction from actual facts.

On a remote desolate island in the South Pacific once lived an ancient civilisation that suddenly vanished and the Truthseekers try to find out why.

One of the seven wonders of the world, the Great Pyramid of Giza has always aroused much debate and investigation. The Truthseekers set out to separate fact from fiction.

The Holy Grail, believed by many to be the cup that Jesus Christ drank from at The Last Supper, and that was used to collect Jesus's blood at his crucifixion, abounds with stories, and the truth seekers attempt to weed fact from fiction.