Unexplained Mysteries

What happens when a teenager goes missing in the world’s smallest, and supposedly safest, country? Emanuela Orlandi’s sudden disappearance remains the only missing person’s case in Vatican City, yet more than 40 years later we still have no idea what really happened behind the papal state’s walls.

After the story, stick around for an exclusive interview with the director of The First Omen, Arkasha Stevenson!

This episode is brought to you by Twentieth Century Studios' the First Omen. Experience the most terrifying movie of the year, and what critics are calling “deliciously disturbing...

When it comes to sudden memory loss, the most common forms of amnesia are often short-term, and stem from trauma to the brain. But some cases are much more inexplicable. People with Dissociative Amnesia don't experience brain damage, but still lose large chunks of time… and can even forget their entire identity. This episode originally aired in February 2021.

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How would a time machine work? Physicists have been engaging the question for decades — and building theoretical frameworks to make it happen. From designs like the Tipler Cylinder, to the paradoxes that imply time travel's improbability, how close are we really to folding the fabric of space-time back on itself… and breaking free from the constraints of time as we know it? This episode originally aired in November 2022.

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Is it possible… and has it happened already? Today we’re investigating the most famous — maybe even most credible — timeslip in history (involving two respected academics and Marie Antoinette!), and the alleged time traveler from 2036 who’s connected to a mystery no one’s been able to crack. This episode originally aired in November 2022.

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A disembodied arm, a man-eating shark, and multiple rumored mob hits. It’s one of Australia’s most famous and bizarre murder mysteries, but the pair of unsolved deaths might not be murders at all...

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Over 10,000 years ago, the city of Atlantis was believed to exist as a pinnacle of human achievement before it was suddenly, mysteriously wiped from the face of the earth. Over millennia of human evolution, our species has returned time and time again to the mystery of the Lost City. This episode originally aired in May 2019.

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Known as the first Empire, this great city ran afoul of the gods and was destroyed over 10,000 years ago. Despite expeditions made by everyone from Spanish Conquistadors to Nazis, there’s no proof the Atlantis actually ever existed. This episode originally aired in May 2019.

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Over the past decade, thousands of people have realized their memories don't quite match history. Though these false recollections are usually insignificant, perhaps they point to someone making changes to space, time, or even the fabric of our reality…

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In 2009, paranormal investigator Fiona Broome realized something odd: She had a memory of watching Nelson Mandela's funeral in the 1980s. The only problem? He was still alive.

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When a group of thieves hijacked a train and escaped with millions of pounds, they set a new record for the largest cash robbery in British history. But who tipped them off? For decades, sleuths have debated the identity of ‘The Ulsterman’ — the shadowy insider who instigated the Great Train Robbery of 1963. 

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