Secrets of Mexico's Underworld

22nd July 2026 42 mins Season 18 Episode 5

Josh joins archeologists as they bushwhack through thick jungles and rappel into vast caves in search of the lost Zoque culture. Deep underground, the team pushes through flooded sections and finds thousands of ritual offerings that may solve the mystery.

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Season 18 · Episode 6

Inca Treasure Tunnels

Josh helps discover and explore a labyrinth of lost tunnels. He dodges traffic to assist in a first-ever radar scan below the busy streets of Cuzco, Peru. He joins them as they push into the tunnels and find priceless ancient treasures.

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