Ross Kemp lifts the lid on one of the most shocking secrets in British history: how Nazis became our neighbours.

Do mermaids exist? Probably not, but there have been plenty of hoaxes. From the Fiji mermaid to a TV mockumentary, here are four of the best fakes.

Did Plato describe a real lost city when he spoke about Atlantis or did he invent a warning? Bradley Walsh investigates in Out of this World.

Triads vs Yakuza - how do East Asia’s two most notorious crime syndicates differ? Here’s how their origins, structure and rivalry compare.

Andrew Carnegie, the most contradictory of the robber barons: he supported workers’ rights, but destroyed unions; and when he acquired the largest fortune in US history, he tried to give it away.

In 2011, treasure hunters found a disc-shaped object on the Baltic seabed. Is it a crashed spacecraft or just a rock? Bradley Walsh investigates.

The Vory refers to an elite section of the Russian criminal underworld. Those with the title operate under a strict code, but ...

Wildfires, economic collapse and a turning point in the Middle East. Just some of the things the soothsayer Nostradamus has ...

Could 2027 really see ‘superhumans’, a new Russian leader and even a retro-style Avengers film? The late Bulgarian prophet ...

Great British Castle Rescue follows Rick Edwards as he ventures inside some of the UK’s most spectacular and endangered castles. From crumbling medieval towers to collapsing royal chambers, engineers ...

Join Professor Alice Roberts on an adventure across Britain as she decodes the truth behind its Holy Grail legends, linking Arthurian lore, sacred relics and the Knights Templar. From the Isle of ...

World War II with Tom Hanks is a premium retelling of the Second World War, drawing on rarely seen archival material, evocative storytelling, and insights from leading historians worldwide, including ...