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S4:E12 The Deadly Bermuda Triangle

History's Greatest Mysteries
05/01/2023 09:00 pm EDT

A look at what could cause mysterious vanishings in the Bermuda Triangle, a 500,000 square mile area of the Atlantic where ...read more A look at what could cause mysterious vanishings in the Bermuda Triangle, a 500,000 square mile area of the Atlantic where ships, planes and unsuspecting travelers have been lost without a trace. show less

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S4:E13 The Search For Noah's Ark

History's Greatest Mysteries
05/08/2023 01:29 pm EDT

It's one of the most famous stories from the Bible: God sends a flood to wipe out nearly every living thing on Earth, except ...read more It's one of the most famous stories from the Bible: God sends a flood to wipe out nearly every living thing on Earth, except for Noah, his family and the animals he saves in his fabled ark. show less

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S4:E14 Who Is D.B. Cooper?

History's Greatest Mysteries
05/15/2023 01:31 pm EDT

It's the only unsolved air piracy case in history; in 1971, a man hijacks a Northwest Orient Airlines flight, demanding four ...read more It's the only unsolved air piracy case in history; in 1971, a man hijacks a Northwest Orient Airlines flight, demanding four parachutes and $200,000; he jumps out of the plane with the money and is never seen again. show less

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S4:E15 The Legend of Bigfoot

History's Greatest Mysteries
05/22/2023 01:32 pm EDT

Thousands of people swear they've encountered the legendary North American creature Bigfoot, but Bigfoot has never been ...read more Thousands of people swear they've encountered the legendary North American creature Bigfoot, but Bigfoot has never been officially identified. As evidence continues to mount, and photos are scrutinized, the mystery endures: does Bigfoot really exist? show less

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S4:E16 Unlocking the Secrets of Stonehenge

History's Greatest Mysteries
05/29/2023 01:32 pm EDT

It's one of the most famous prehistoric monuments on Earth -- a mysterious arrangement of stones that have adorned the ...read more It's one of the most famous prehistoric monuments on Earth -- a mysterious arrangement of stones that have adorned the English countryside for millennia. But to this day, nobody knows how the landmark was built or why. show less

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S4:E17 The Search for El Dorado

History's Greatest Mysteries
06/05/2023 09:00 pm EDT

It is a legendary ancient city, said to be overflowing with gold. For centuries, explorers put their lives on the line searching ...read more It is a legendary ancient city, said to be overflowing with gold. For centuries, explorers put their lives on the line searching for it. As the endless quest to uncover this infamous city continues, will anyone ever find it? show less

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S4:E18 The Mysterious Havana Syndrome

History's Greatest Mysteries
06/12/2023 09:00 pm EDT

In 2016, a mysterious illness strikes dozens of government officials in Cuba; hundreds more are afflicted.

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S4:E19 Unlocking the Secrets of the Nazca Lines

History's Greatest Mysteries
06/26/2023 09:00 pm EDT

They've been called the world's greatest archaeological enigma: 2,000-year-old geoglyphs made in the Peruvian desert ...read more They've been called the world's greatest archaeological enigma: 2,000-year-old geoglyphs made in the Peruvian desert that span over 50 miles. The drawings are so massive, they can only be seen from the air. Can new research finally unravel secrets? show less