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.

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.

In 1962, four teenage divers vanished off the coast of Pensacola, Florida, and the sole survivor later blamed a sea monster.

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

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 Carrington Event of 1859 packed a bigger punch than any other recorded geomagnetic storm. How did it cause chaos, and ...

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

Could the 16th-century soothsayer Nostradamus really see the future? Given the vagaries of his written prophecies, we’ll probably never be able to tell for sure. Still, supporters have credited him ...

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