This mini-series looks into the history and beliefs behind religions that have shaped the universe. The show unearths alternative suggestions, poses questions and challenges the accepted, opening a whole new world on the history of the universe.

From the castle of the real Count Dracula to the Super City of Adolf Hitler, history is full of temples, fortresses, lost civilisations and secret worlds left behind by the passage of time.

In 2018, The New York Times ran a front-page story on a secret government programme that studied UFOs and the threat of alien invasion. Now, for the first time, this explosive special presents the report's classified contents.