Secrets of the Dead

An exploration of the theory of David Keys that a "catastrophe" in the mid sixth century caused major changes in the world's weather for the next several years.

Could a violent volcanic eruption of Krakatoa be responsible for the climatic cataclysm that hit Earth in 535 A.D., causing two years of darkness, famine, drought and disease, and did this lead to emergence of new nations and religions?

This program trys to discover why a colony of Vikings, after nearly four hundred years of settlement, would disappear suddenly from the coast of Greenland.

The Anasazi people of the American Southwest were once thought to be a model society, but now it seems they may have practiced ritual cannibalism. This program explores the evidence for how they lived and why they disappeared.

An examination of what really caused the explosion of the Hindenburg zeppelin.

A team of experts from the fields of shipbuilding, science, history and archaeology gather to try and pin down why Henry VIII's flagship, The Mary Rose, capsized and sank without warning in 1545