World's Most Unexplained

A hoard of golden coins was found in the prospecting district of California. Where did they come from and why did the owners never claim them? (S1, ep 25)

Millions mourned the death of Elvis Presley in 1977, but he's been spotted hundreds of times since. (S1, ep 8)

A hoard of golden coins was found in the prospecting district of California. Where did they come from and why did the owners never claim them? (S1, ep 25)

Millions mourned the death of Elvis Presley in 1977, but he's been spotted hundreds of times since. (S1, ep 8)

Experts investigate if a series of house fires across the UK are linked to an allegedly cursed portrait. (S1, ep 22)

'Death shall come on swift wings to him who disturbs the peace of the King,' so the inscription goes. Is there truly a curse that haunts the original discoverers of Tutankhamun? (S1, ep 23)

People reveal details from their past lives as celebrities, while experts investigate evidence that suggests death may not be the end of our existence. (S1, ep 9)

Hypnotherapist Adrian Finkelstein and his patient claim that they are Paul Bern and his wife, actress Jean Harlow, reincarnated. (S1, ep 10)

People reveal details from their past lives as celebrities, while experts investigate evidence that suggests death may not be the end of our existence. (S1, ep 9)

Hypnotherapist Adrian Finkelstein and his patient claim that they are Paul Bern and his wife, actress Jean Harlow, reincarnated. (S1, ep 10)

A strange creature was reportedly seen in a wooded area of Massachusetts by different people, all giving similar descriptions. Coincidence, collusion, or a genuine mystery? (S1, ep 24)

A hoard of golden coins was found in the prospecting district of California. Where did they come from and why did the owners never claim them? (S1, ep 25)

In 1977, schoolchildren spot a cigar-shaped aircraft in Wales. The sighting transforms the quiet seaside town into a UFO hot spot. (S1, ep 11)

Experts investigate if a series of house fires across the UK are linked to an allegedly cursed portrait. (S1, ep 22)

In 1977, schoolchildren spot a cigar-shaped aircraft in Wales. The sighting transforms the quiet seaside town into a UFO hot spot. (S1, ep 11)

A strange creature was reportedly seen in a wooded area of Massachusetts by different people, all giving similar descriptions. Coincidence, collusion, or a genuine mystery? (S1, ep 24)

What is the Voynich Manuscript, and what secrets does the mysterious 500-year-old document hold? (S1, ep 26)

Experts investigate whether a controversial union leader's disappearance is linked to the mob or if he went missing on his own accord. (S1, ep 2)

Alleged sightings of leprechauns and fairies are nothing new in Ireland. Experts debate whether these Celtic creatures are fact or fiction. (S1, ep 13)

A strange creature was reportedly seen in a wooded area of Massachusetts by different people, all giving similar descriptions. Coincidence, collusion, or a genuine mystery? (S1, ep 24)

Alleged sightings of leprechauns and fairies are nothing new in Ireland. Experts debate whether these Celtic creatures are fact or fiction. (S1, ep 13)

Experts investigate if a mysterious caller had inside knowledge about the assassination of President John F Kennedy. (S1, ep 14)

Experts and eyewitnesses explore some of the most-extraordinary happenings at Myrtles Plantation that science can't explain. (S1, ep 3)

Numerous aviation disasters are associated with the number 191, leading many airlines to refuse to schedule a flight 191 out of skepticism and fear. (S1, ep 4)

Experts investigate whether a controversial union leader's disappearance is linked to the mob or if he went missing on his own accord. (S1, ep 2)

Residents of a village reported seeing a statue of the Virgin Mary move, but some believe the phenomenon was just an optical illusion or a prank. (S1, ep 5)

Experts investigate whether a controversial union leader's disappearance is linked to the mob or if he went missing on his own accord. (S1, ep 2)

Residents of a village reported seeing a statue of the Virgin Mary move, but some believe the phenomenon was just an optical illusion or a prank. (S1, ep 5)

Residents of a village reported seeing a statue of the Virgin Mary move, but some believe the phenomenon was just an optical illusion or a prank. (S1, ep 5)

The White House is one of the most-famous and most-haunted residences in the world. Experts investigate claims of extraordinary paranormal activity. (S1, ep 6)