Expedition X
Descent into Mayan Underworld
Season 5 Episode 17
Phil and Heather descend into the Mayan underworld to explore a vast subterranean cave believed to be the realm of menacing, ancient spirits
Expedition X airs on Discovery Channel at 11:00 PM, Saturday 24 May. (Subtitles, audio description.)
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News ➝ Current Affairs
Documentary