Recent forensic findings uncover the astonishing secrets of the world's most iconic monument, the great Sphinx at Giza. Join the extraordinary investigation as it reveals which pharaoh commissioned this colossal statue and why it was never finished.

Stirling Castle in Scotland could be the home of King Arthur's legendary Round Table; scientists have made a gruesome discovery at this mysterious site; a disfigured skeleton that could reveal the castle's bloody secrets and rewrite the history books.