The Pyramid of the Moon at the ancient archaeological site of Teotihuacan in Mexico, circa 1980. The site dates back to around 200 BCE

Teotihuacan Ancient Mystery: The Pyramid of the Moon and its Vanishing People

Archaeologists discovered a tunnel buried underneath the pyramid's towering structure for almost 2,000 years, leading many to believe it is the path to the afterlife.

Mexico's Most Famous, Must-See Historic Sites

By Amy Santiago
Travel through time and experience Mexico's history with the top seven historic sites in Mexico!
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