Egypt’s Pyramids of Giza were built to endure an eternity, but how remains one of the ancient world’s greatest mysteries.

One of the biggest unanswered questions in history for the past few thousand years is the Great Pyramid of Giza in Egypt.

Egypt's pyramids hide some strange facts and mysteries, and the biggest among them is who built the pyramids. While aliens and supernatural forces have been suggested by fringe theorists, ...