24 Unsolved Mysteries The World Has Forgotten About (But We Can't) (2022)

We all love a good mystery, but it can really get under our skin when we don't eventually figure out the truth. It's part of the human condition to want to categorize things and create order in our lives and communities, according to New Scientist. We like a little mystery because it triggers our natural curiosity, but then we like finding a solution or explanation because the unknown is something to be feared and protected from. This desire to group and explain things constantly conflicts with our equally strong desire to have some secrecy or privacy.

Not all mysteries stem from our tendency for secrecy, however. Some phenomena in the world aren’t easy to explain with our current technology or body of knowledge. It's possible that some of these unsolved mysteries will become clearer with further scientific advancements, but certainly, other unsolved mysteries grow murkier with time as vital information has been long lost or buried with the ones who once knew. Some mysteries defy all explanation and seem to exist independent of what might have once been known or what technology might yet be discovered. We're both uncomfortable with the loose ends, yet at the same time in love—maybe even obsessed. Here are 25 Unsolved Mysteries The World Has Forgotten About.

25 Ancient technology - Antikythera Computes A Mystery

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Named after the island near where it was found by sponge divers 115 years ago, the Antikythera mechanism is an incredible machine of finely calibrated gears that appeared to be technology not available until at least the 10th century—but the mechanism was at least 2,000 years old.

It's an incredible, ancient computer that can calculate a wealth of astronomical information for the user, according to Vox.

No one knows who created the technology or even how they could make something so delicately tuned—and who owned it.

24 Mirny Diamond Mine Mystery

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'The Mir' or Mirny diamond mine in eastern Siberia is the second largest mine in the world. It produced billions of dollars’ worth of diamonds in the 1960s but closed down for good in the early 2000s.

Russia had already forbidden helicopters to fly over it out of fear that the mine would create a vortex of air current, according to Atlas Obscura.

There are unsubstantiated reports that some aircraft have actually been sucked into the vortex—and no outsiders can even enter the town without a permit.

23 A man possessed - Don Decker And The Rain

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Whether we believe in hauntings or not, circumstances got downright weird for Don Decker after his grandfather passed away. Don was serving time in 1983 when it happened but got permission to attend the funeral, according to Historic Mysteries.

Afterward, Don would go into a trance, and then water would drip out of the walls and ceiling.

This was witnessed by several law enforcement officials in a residence, a pizzeria, and in Don's jail cell. It was believed that Don was possessed and could control the appearance of the rain.

22 Where Is Walter Collins?

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Nine-year-old Walter Collins went to the cinema in 1928 but never returned home. The Los Angeles police were struggling with a rash of disappearances, so when the Illinois police sent information about a boy they'd found who claimed to be Walter Collins, the LAPD was pleased and took the pictures to Walter's mother—but she stated emphatically that it wasn't him, according to Crime Museum.

The police forced her to take the boy anyway until the boy admitted he'd lied. The real Walter Collins was never actually found.

21 What's Written On Dighton Rock?

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In the 1950s, workers uncovered a huge 40-ton rock near Berkeley, Massachusetts with strange marks and symbols carved on it. It had first been described around 1680 and was studied many times by scholars in the centuries after, as per New England.

Because it appears to have both pictorial inscriptions as well as some letter-like carvings, not everyone thinks it is the work of Native tribes in the area, but possibly the work of sailors from Portugal or even proof of Viking or Phoenician visitation.

20 What Happened On Roanoke?

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In 1587, English settlers led by John White established a colony on Roanoke, a barrier island off present-day North Carolina on the site of a previously failed settlement. After they established an outpost, he departed again to get supplies and more colonists but returned later than he anticipated because of a brewing battle, as per Smithsonian Magazine.

When he finally got back, not a single person was there, and his only clue was the word Croatoancarved into a post.

Archaeologists still don't know where the entire colony vanished to.

19 The Money Pit Of Oak Island

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For over 200 years, adventurers have been digging deeper into the Oak Island Money Pit in search of pirate treasure. A local teenager noticed strange lights on Oak Island. Upon investigating, he discovered a circular area, and he and his friends began digging, according to Oak Island Money Pit.

What's incredible is that over two centuries—and even with modern technology—we still don't know what's down there, but clearly an elaborate network of tunnels had been dug.

Some have even linked the island to the Knights Templar and Freemasons.

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17 Aluminum Wedge Of Aiud

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The biggest mystery of the wedge of Aiud is why researchers don't have greater access to it. It was first discovered in 1973 by builders near the town of Aiud in Romania, more than 33 feet underground and in direct association with mastodon fossils, according to Beyond Science TV.

The reason why the wedge is unique is that it's almost 90% metallic aluminum, which humans began producing around 200 years ago, but coated in 400-year-old aluminum oxide and found with bones of an animal that went extinct at least 11,000 years ago.

16 What's The Frequency, Jerry?

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The Wow! frequency was first discovered by astronomers in 1977. The 72-second radio signal was incredibly strong and—until recently—scientists had no plausible explanation, as per Phys.org.

While that signal may have been a result of the hydrogen tail of an undiscovered comet, more recent radio bursts have scientists scratching their heads.

A very low megahertz fast radio burst was detected in 2017, and there's no current explanation for what caused it—or why it's a far lower frequency than other equally enigmatic bursts, according to Science Alert.

15 Witch Elm Was It?

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In 1943, some boys climbed a hollow wych elm, only to discover a skull inside. Very little tissue was left, but nearly all of her skeleton was folded inside the tree, as per The Unredacted. Investigators identified that the remains belonged to a short, brunette woman around 35 years old.

She might have faded out of public memory except that shortly after she was found, graffiti began to appear, asking “Who put Bella in the wych-elm?” The graffiti has popped up over the years, and no theories have definitively solved this mystery.

14 A Ship Named Mary Celeste

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After a troubled past, the brigantine Mary Celeste came to be owned by Captain Benjamin Briggs.

He set sail with his family and an experienced crew of eight in 1872, never to be heard from again.

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Less than a month after leaving the New York Harbor, a ship from Britain spotted the Mary Celeste in full sail but adrift, according to History. No one was inside, and there were no signs of foul play. Many theories have been proposed, but the mystery remains—the captain, family and crew were never seen again.

13 We Didn't Start The Sicily Fires

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Seemingly random fires began breaking out in 2004 in a village in Sicily, incinerating electrical boxes, fans, and even toasters. The fires confused investigators, who could find no apparent cause throughout the years, as per ANSA.

Theories swirled that a buildup of electrical current, a pyromaniac or even the devil could be behind the mysterious blazes.

In 2015, a man was arrested and charged with setting the fires, but even the mayor is not convinced he did it, explaining he and other officials had seen items burst into flame out of nowhere.

12 Elisa Lam In The Cistern At The Cecil

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When tourists staying at the Cecil Hotel in Los Angeles in 2013 complained about the tap water, investigations led to the discovery of Elisa Lam's remains in the cistern on the hotel's roof, according to Rebel Circus.

Officials listed her demise as a manic episode leading to drowning, but given the Cecil Hotel's history, the odd elevator video footage of Elisa, and the strange link between her name and the tuberculosis outbreak in the area at the time—the TB test is called the LAM-ELISA—people are not convinced.

11 The Verbiage Of The Voynich Manuscript

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Although the Voynich Manuscript—named after the man who purchased it—came to light in 1912, linguists are no closer to translating the strange texts now than they were 100 years ago, as per CNN.

The parchment and ink date to the 15th century and it is filled with incredible illustrations of herbs and medical procedures.

Recently, an engineer named Ahmet Ardic and his sons have worked on the manuscript and claim to have deciphered some words, but it's far from clear if they're on the path to cracking the code at last.

10 Illuminating The Flannan Isles Lighthouse

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The Flannan Isles sit off the northern coast of Scotland. In 1900, a ship headed towards the lighthouse bearing a relief keeper but was delayed by bad weather. When they arrived at the lighthouse, everyone was gone, according to Mental Floss.

No one lived on the island except sheep and the lighthouse crew, and locals claimed there was some aura there.

All three lighthouse keepers were gone—at least one should have stayed behind, but all were gone. All the clocks in the lighthouse were stopped at the same time.

9 The Circle Stone And The Sea Of Galilee

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Some mysteries happen by accident: scientists were looking for something else when they noticed a giant circular structure 30 feet underwater in the Sea of Galilee, as per CNN. The basaltic structure appears to have been built on the land of many large stones then submerged, and it could be between 2,000 and 12,000 years old, but what it was made for is a mystery.

It's difficult to study it while it's underwater but equally difficult to raise the kinds of funds needed to bring such a huge structure out without damaging it.

8 The Methuen Water Demon Went Up The Waterspout

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The Martins were sitting in their living room one day in 1963 when they noticed water dripping from a wall. When Mr. Martin got up to inspect it, the family watched a jet of water spray out, according to Strange Company.

The Fire Department and engineers inspected the home but couldn't find the source of the water.

The family moved to nearby Lawrence, only to have the water jets follow. They even tore out the 'weeping walls'—but the walls were dry inside. Eventually, the water stopped of its own accord.

7 The Real Bobby Dunbar

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Bobby Dunbar went missing on a fishing trip to Swayze Lake in Louisiana in 1912. His family searched for eight months before finding him in Mississippi, but the story began to twist quickly, as Bobby's family weren't sure if the little boy was actually Bobby, and the man Bobby was found with claimed the boy as a relative, according to History 101.

Yet another family stepped in to claim the boy as their missing child. DNA testing nearly 100 years later proved that it wasn't Bobby—the real Bobby was never found.

6 How To See The Big Grey Man

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The extreme landscape of the Cairngorms could definitely act upon a person's imagination, but a respected professor's report of the sounds and feelings he got returning from a high crag in 1925 gave rise to the legend of the Big Grey Man, as per Undiscovered Scotland.

Occasionally, other hikers since have reported glimpses of a large, grey something and crunching sounds behind them, as if something is walking with a much larger stride than a normal person. Each person's account was independent, yet eerily similar.


What is the oldest mystery in the world? ›

The Lost City of Atlantis is one of the oldest and greatest mysteries of the world. Since ancient times, people have been trying to locate Atlantis, which is believed to have submerged after an earthquake or tsunami.

How many murders are not solved? ›

In the most recent data available from the FBI, the clearance rate hit an all-time low of just over 50 percent. That means that about half of all murders in the United States today go unsolved.

What is the dark matter mystery? ›

Dark matter doesn't interact with light, so we can't see it. The only reason we know there's something out there beyond what we can directly see is because it interacts with gravity.

What are the unknowns of the world? ›

Science's great unknowns: 20 unsolved questions
  • What is the universe made of? ...
  • How did life begin? ...
  • Are we alone in the universe? ...
  • What makes us human? ...
  • What is consciousness? ...
  • Why do we dream? ...
  • Why is there stuff? ...
  • Are there other universes?
6 Sept 2013

What are some of the mysteries of the universe? ›

  • Our planet's secrets. The clues to finding alien life could lie in Earth's deep past. ...
  • Hidden in the stars. Why weird star systems are where we'll find alien life. ...
  • Before the big bang. Why the big bang was not the beginning. ...
  • Dwarf galaxies. So long, suckers: Where have all the black holes gone? ...
  • The very first stars.

What are ancient mysteries? ›

Ancient Mysteries is a television series that was produced by FilmRoos and originally broadcast on A&E between 7 January 1994 and 3 May 1998 with reruns airing until 2000. Reruns were also re-broadcast on The Biography Channel during the 2000s.

What are the mysteries of India? ›

10 unsolved mysteries of India:
  • Mystery of twins village. A far-flung village of Kodinhi in Kerala named Malappuram is called the “twins village”. ...
  • Mystery of hanging pillar. ...
  • Mystery of lifting stone. ...
  • Mystery of door-less houses. ...
  • Mystery of magnetic hill. ...
  • Mystery of suicidal birds. ...
  • Mystery of visa God.
9 Sept 2022

What is the hardest crime to solve? ›

Murders are the most serious of crimes and, many might speculate, the most difficult to solve. However, depending on how the person was killed, a murderer may leave behind clues that allow police detectives to piece together what happened.

Was the Zodiac killer ever caught? ›

Of the four ciphers he produced, two remain unsolved, and one was cracked only in 2020. While many theories regarding the identity of the killer have been suggested, the only suspect authorities ever publicly named was Arthur Leigh Allen, a former elementary school teacher and convicted sex offender who died in 1992.

What is the oldest cold case in America? ›

How this story was reported. The 1957 kidnapping and murder of 7-year-old Maria Ridulph is the nation's oldest cold case to go to trial. This story was pieced together by CNN's Ann O'Neill through interviews and public records.

What is the oldest case on Cold Case? ›

Lilly and the squad take on their oldest case yet, when they're asked to look into the case of a young woman who was killed in her parents' home in 1919. They discover she'd become involved in the suffragettes' movement, campaigning for votes for women, which put her at odds with the rest of her family.

What are the 7 school mysteries? ›

  • The Upsidedown Bamboo Niigata-Shi, Chuuou-Ku, Toyano 3-Chome, Saihou Temple. National Natural Monument.
  • The Burnt Carp.
  • The Bundle of Eight Plums.
  • The Prayer Beads on the Cherry Blossom.
  • The Triple Chestnut.
  • The Threaded Nutmeg Tree.
  • The Incomplete Reed.

What are the 7 mysteries of the Church? ›

The Glorious Mysteries
  • The Resurrection of Jesus.
  • The Ascension of Jesus into Heaven.
  • The Descent of the Holy Spirit at Pentecost.
  • The Assumption of Mary into Heaven.
  • The Coronation of Our Lady in Heaven.


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