Is this the real-life Atlantis? A 90-foot “pyramid” submerged just off the coast of Japan is turning heads — and could shake up everything we thought we knew about ancient civilizations.

Cairo's most popular attraction, the Pyramids of Giza, draw thousands of visitors every year. As one of the original Seven Wonders of the World, these pyramids have stood the test of time ...

Although historians now understand that the pyramids were built by skilled and salaried laborers, the opposite impression has persisted for millennia. Although it took centuries to correct the record ...