Researchers explore a tunnel in Teotihuacan last accessed 1,800 years ago. April 28, 2013— -- Mexican archeologists discovered three previously unknown chambers under a pyramid in Teotihuacan, an ...
The Great Pyramid of Giza has been studied for centuries, yet new technology is still revealing features that earlier generations could not see. Now researchers say a 4,500-year-old structure on the ...
Egypt’s Pyramids of Giza were built to endure an eternity, but how remains one of the ancient world’s greatest mysteries.
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