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.

Plato wrote that Atlantis was ruled by Atlas, the son of Poseidon, but as the nation conquered much of the Mediterranean and gained power, its people grew wicked — so the gods destroyed it. The shot ...

Adventurer-geologist Dr. Martin Pepper sets out to prove his theory - that the true Atlantis existed on the Greek island of Santorini, and was destroyed in the biggest volcanic eruption in human ...