A look at how the Minoan civilisation, situated on the Mediterranean island of Crete, was wiped out 3,500 years ago by one of the biggest volcanic eruptions since the Ice Age on the nearby island of Thira. 21st century science reveals the horror the volcano unleashed.

The Bible describes how Sodom and Gomorrah were destroyed in a storm of fire and brimstone. Could the inspiration for this story come from a natural apocalypse around the Dead Sea in the Middle East? Science tests out the extraordinary geology of the region - could an earthquake trigger a landslide capable of sweeping away whole cities?