The new treasure map leads Albert to discover lost pyramids, and treasures found across the Mayan world reveal the epic scale of the ancient civilization.

Albert Lin follows the treasure map to a pyramid at the heart of the most famous ancient Mayan city; divers search for an entrance to a flooded cave beneath a Mayan pyramid; archaeologists find a ceremonial royal drinking cup that reveals the tomb of a lost king.

The treasure map uncovers a mysterious pyramid complex that reveals clues of violent sacrifices; newly discovered cave systems reveal gruesome evidence of ancient Mayan rituals; Albert Lin dives deep beneath the surface of the Mayan spirit underworld.

A treasure map leads to the discovery of a lost fortress; a sacred altar is unearthed after 1,500 years, revealing secrets of the legendary Maya Snake King uprising; Albert Lin travels to two cities in the remote jungle, where technology reveals evidence of a forgotten war.