Explore your world with powerful and insightful news and information documentaries from the worlds of science, nature, medicine and outdoor adventure.

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Expand your horizons with powerful and insightful news and information documentaries from the worlds of science, nature, medicine and outdoor adventure.

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Phil and Heather descend deep into the Mayan underworld to explore a vast subterranean cave believed to be the realm of menacing and ancient spirits.

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Descent Into the Mayan Underworld

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Heather and Phil travel to the French countryside to track down werewolves that have terrorized the locals for centuries; as their investigation deepens, they must figure out if this beast is supernatural or an elusive wolf undiscovered by man.

Werewolves of France

Heather and Phil travel to the ancient Mayan city of Xunantunich in search of a spirit named the Stone Lady.

Ghosts of the Mayan Ruins

Heather and Phil continue their deep dive into Nazi occult activity in nearby Poland, where they investigate Nazi strongholds that harbor terrifying secrets; their search leads them to a man-made network of tunnels hiding supernatural relics.

Nazi Occult Underworld Revealed

Phil and Heather journey to the Czech Republic to investigate a castle reportedly built over a literal Nazi portal to hell; through scientific and paranormal experiments, the team seeks proof of sinister activity beneath the castle's chapel.

Secrets of the Nazi Occult

The team heads to Arkansas, where a swamp monster has terrorized the small, rural town of Fouke for over a century.

Beast of Boggy Creek

Heather and Phil travel to the most haunted chateau in France to investigate terrifying stories of hostile ghosts linked to strange and savage murders.

Chateau of Horror

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Adventurer Josh Gates, scientist Phil Torres and paranormal researcher Jessica Chobot investigate reports of supernatural encounters, mysterious creatures and extraterrestrial phenomena.

S9 E4 | Nazi Occult Underworld Revealed