"The existence of vast chambers beneath the earth's surface, comparable in size to the pyramids themselves, has a remarkably strong correlation with the legendary Halls of Amenti," Ciccolo stated.

More than 30 pyramids in Egypt, including in Giza, may have been built along a branch of the Nile that has long since disappeared, a new study suggests.

How ancient builders raised the mighty pyramids still captures the curiosity of historians and scientists. Despite decades of digging, high-tech scanning, and countless theories, the puzzle ...