The 10 plagues of Egypt, which saw water turning to blood, frogs, lice, flies, livestock pestilence, boils, hail, locusts, darkness and the killing of firstborn children. As detailed in the Bible, they were sent by God to convince Pharaoh to free the Israelites.

Dr Fern Riddell and Dr Karen Bellinger examine the historic belief by some Europeans in the 16th and 17th centuries that somewhere in the New World is a place of immense wealth known as El Dorado. Many explorers were led on fruitless treks into the rainforests and mountains of South America in search of this lost city of gold.