For more than 4,500 years, Egypt's pyramids have kept their secrets hidden deep within the labyrinth of passages and chambers that lie inside their towering stone structures. But the long-running ...

Yes, the Pyramids of Giza - those monuments to god-like splendour that have stood for more than 4,000 years - were built by aliens. That was the 'claim' made by American astronomer Garrett P.