Sites, civilisations & theories

The theory that a comet or asteroid impact triggered the Younger Dryas cold period, megafaunal extinction and the collapse of prehistoric cultures.

A theory that weathering patterns on the Great Sphinx suggest it is far older than conventionally dated.

The hypothesis that an advanced civilisation existed during the last Ice Age and was lost to catastrophic flooding at the end of the Younger Dryas.

The legend that a hidden chamber beneath the Giza plateau contains records of an ancient lost civilisation.

The study of how the pyramids and temples of Egypt encode astronomical knowledge.

How the abrupt Younger Dryas climate event affected human populations, migration and the transition to agriculture.