Secrets of the Dead

The Tunnel Below the Pyramid of the Feathered Serpent

Clip: Season 15 Episode 5 | 3m 52s Video has closed captioning.

Mexican archaeologist Sergio Gomez Chavez and his colleagues discover a tunnel at the Teotihuacán site that continues in a straight path, directly to the Pyramid of the Feathered Serpent which stands at the very center of the city.

Aired: 05/24/16

Rating: NR

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