Often, when you stumble upon something strange and have no clue what it is, the first instinct is to ask family, friends, or colleagues. But what if they’re just as clueless as you?
That’s where communities like ‘What Is This?’ come in: a space where curious minds share their odd finds and a mix of experts, hobbyists, and everyday detectives work together to crack the case. Keep scrolling to discover some of the most fascinating (and surprisingly educational) mysteries the internet has helped solve!
That’s where communities like ‘What Is This?’ come in: a space where curious minds share their odd finds and a mix of experts, hobbyists, and everyday detectives work together to crack the case. Keep scrolling to discover some of the most fascinating (and surprisingly educational) mysteries the internet has helped solve!
#1 Just Found This While Rummaging Through My Fathers Old Stuff

SpiritualPrize:
The Camera Lucida, or Chambre Claire in French
This is a device designed to assist in making enlarged or reduced drawings from originals or even straight from a real scene. The designer looks at the tip of the pencil on the paper and sees, simultaneously and in the same place, an image of what is in front of him. His job, then, is to draw the contours just by following this double image.
The Camera Lucida, or Chambre Claire in French
This is a device designed to assist in making enlarged or reduced drawings from originals or even straight from a real scene. The designer looks at the tip of the pencil on the paper and sees, simultaneously and in the same place, an image of what is in front of him. His job, then, is to draw the contours just by following this double image.
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#2 Anyone Know What Type Of Bird This Is? Spotted Whilst Running In Hostivice, Czech Republic

OblivionGuardsman:
It is a turqouise parrot variety. Some have been bred from a mutation to have the breast fully red that normally occurs as just a patch or transitional area from the lower body up. They are known as red breasted turquoise parrots or full-red fronted yellow but of the same species. I suppose it could be a cross bred scarlet breasted with a turquoise but this is the exact color pattern that turqouise mutation variety has. It isnt a scarlet because they are green on the back and tail.
Edit: website about these
It is a turqouise parrot variety. Some have been bred from a mutation to have the breast fully red that normally occurs as just a patch or transitional area from the lower body up. They are known as red breasted turquoise parrots or full-red fronted yellow but of the same species. I suppose it could be a cross bred scarlet breasted with a turquoise but this is the exact color pattern that turqouise mutation variety has. It isnt a scarlet because they are green on the back and tail.
Edit: website about these
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#3 What Are These Chimneys And Why Do They Exist In The Woods? (New England)

sillytricia:
Houses used to be there, only the chimney survived.
Houses used to be there, only the chimney survived.
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#4 What Is This? Found Underneath A House We Are Remodeling? How Did They Get The Liquid Inside?

C_N1:
DO NOT BREAK IT! Those are filled with a toxic chemical to extinguish fires.
Glass Grenade Fire Extinguisher
Also, they closed them by melting the glass shut.
DO NOT BREAK IT! Those are filled with a toxic chemical to extinguish fires.
Glass Grenade Fire Extinguisher
Also, they closed them by melting the glass shut.
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#5 People Were Praying To This Unidentifiable Box They Brought To A Mountain Top. Seen In Sapiranga, Rio Grande Do Sul, Brazil. What Is This?

TreasureWench1622:
It LOOKS like what the Arc of the Covenant is supposed to resemble
It LOOKS like what the Arc of the Covenant is supposed to resemble
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#6 What Was This Old Desk Used For ? My Wife And I Have Been Making Guesses But Have No Idea

chivesngarlic:
Dr here. Definitely an obgyn table. Instruments and other medical supplies are stored in the drawers for easy access.
Dr here. Definitely an obgyn table. Instruments and other medical supplies are stored in the drawers for easy access.
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#7 This Pattern Had Been Growing On My Mirror For A Month Now And It’s Tinting The Mirror Green. Any Idea What It Could Be?

andorraliechtenstein:
That’s a heated mirror failing. When the auto dim or heated mirrors start to separate internally they look like that.
That’s a heated mirror failing. When the auto dim or heated mirrors start to separate internally they look like that.
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#8 In Closet. Likely Placed There By Cats. What Is It ?

meadowmbell:
It was a potato…
It was a potato…
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#9 I'd Like To Know The Back Story

fizzio:
The Grave of Seath Mor Sgorfhiaclach in Scotland. The cage over the grave is not to prevent grave robbing or for fear of zombies, but to keep the cursed stones that sit on the grave in place.
The Grave of Seath Mor Sgorfhiaclach in Scotland. The cage over the grave is not to prevent grave robbing or for fear of zombies, but to keep the cursed stones that sit on the grave in place.
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#10 What Is The Device This Woman Has Been Holding To Her Mouth (Murdaugh Trial)?

Linguist208:
She speaks into it, it records the trial transcript. She's a court reporter, and the device keeps her words from being heard.
She speaks into it, it records the trial transcript. She's a court reporter, and the device keeps her words from being heard.
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#11 My Father Passed And We Were Clearing Out His Desk And Found This?

Dramatic-Tear9890:
That’s Bowtruckle from the Fantastic Beasts movies!
That’s Bowtruckle from the Fantastic Beasts movies!
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#12 Why Did Someone Put Salt In Front Of My Door? It Isn’t On Anyone Else’s Doorstep, Just Mine

The_Spoils:
Yup, trying to ward of demons.
I briefly dated a Wiccan girl and she was super happy when I was able to cross over the salt line she had at her door. I didn't even know it was there lol.
Yup, trying to ward of demons.
I briefly dated a Wiccan girl and she was super happy when I was able to cross over the salt line she had at her door. I didn't even know it was there lol.
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#13 I Just Purchased A Dental Office And Found This In A Drawer. What Is This Thing?

kimishark:
Sage roll. Wards off evil spirits. And smells nice
Sage roll. Wards off evil spirits. And smells nice
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#15 Found This Heavy Thing Burried In My Yard, I Tried To Unscrew The Lid But Didn't Come Off

Here is the update on the post : a team of two bomb disposal experts came today to pick up the bomb.
They loaded it in their car and said they would destroy it in a safe place, a military base. Basically once in a while, once they have enough bombs they will blow them up at the same time. We already knew the answer but still asked if there was a way to get the disarmed shell back as a memory, and they told us it is against the law. Also, they told us that keeping such an ammunition, even if disarmed, represented a risk. They mentioned the scenario in which a fire would break out in the house, and if the firefighters, upon intervening, spotted a bomb like that, they would immediate leave and let the house to burn to avoid taking any risks.
As for the origin of the shell, it was really common at the end of WWI for the soldiers to bring back home a souvenir from the war. Someone probably got rid of it decades later, and thought it would be no arm to bury it or abandon it in a remote place. I found many articles in french newspapers relating the same kind of events, actually with the exact 75mm mortar.
Be safe !
They loaded it in their car and said they would destroy it in a safe place, a military base. Basically once in a while, once they have enough bombs they will blow them up at the same time. We already knew the answer but still asked if there was a way to get the disarmed shell back as a memory, and they told us it is against the law. Also, they told us that keeping such an ammunition, even if disarmed, represented a risk. They mentioned the scenario in which a fire would break out in the house, and if the firefighters, upon intervening, spotted a bomb like that, they would immediate leave and let the house to burn to avoid taking any risks.
As for the origin of the shell, it was really common at the end of WWI for the soldiers to bring back home a souvenir from the war. Someone probably got rid of it decades later, and thought it would be no arm to bury it or abandon it in a remote place. I found many articles in french newspapers relating the same kind of events, actually with the exact 75mm mortar.
Be safe !
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#16 What Are These Women Holding In This Painting? They Look Like Purses, But There Looks To Be Rolled Up Paper Inside. This Is Also A French Painting If That Helps

JimDixon:
Elegant ladies of that era wouldn't want to carry an unwrapped newspaper, because the ink would rub off on their hands or clothes, more so then than now, I.think, and more so if the paper was "hot off the press."
Another possibility would be ladies' magazines, which would have been popular and full of fashion illustrations.
Elegant ladies of that era wouldn't want to carry an unwrapped newspaper, because the ink would rub off on their hands or clothes, more so then than now, I.think, and more so if the paper was "hot off the press."
Another possibility would be ladies' magazines, which would have been popular and full of fashion illustrations.
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#17 Does Anyone Know What This Actually Is? I’ve Been Having This Picture In My Phone For Almost 4 Years

faerle:
For sure Aerogel. A weird material were the gel has actually been replaced with gas.
For sure Aerogel. A weird material were the gel has actually been replaced with gas.
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#18 What Is Showing Up On My Baby Monitor When I Am Taking A Photo With My Phone?

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#19 Piece Of Wood With 4 Bottle Caps Nailed To It, With What Looks Like Cork Seals In Them. Found Up In The Walls Of My Garage

Orcacub:
DIY fish scaler. Cork under bottle caps was a factory thing back in the early days of bottle caps- before plastic liners/seals were under there. The cork here is likely just an artifact of the caps themselves, not a design element of the scaler. I bet if you dig around under the caps in the nooks and crannies -like between the wood and the caps - you will find old fish scales.
DIY fish scaler. Cork under bottle caps was a factory thing back in the early days of bottle caps- before plastic liners/seals were under there. The cork here is likely just an artifact of the caps themselves, not a design element of the scaler. I bet if you dig around under the caps in the nooks and crannies -like between the wood and the caps - you will find old fish scales.
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#20 What’s This Thing?

Angeltt:
Toothpick "Plant"
"Toothpick turns after-dinner teeth cleaning into an extravagant experience! Featuring an elegant cluster of flowers from the toothpick plant (ammi visnaga) and a natural oak desk stand, it makes an attractive - yet functional - addition to any table. To use, simply snap off a stem from the beautiful dried flower and use it like a regular toothpick. the flower heads used in rivsalt TOOTHPICK are harvested from Morocco’s atlas mountains where they are dried and then shipped to Casablanca for final selection. locals have used the plant for a wide range of purposes for more than 1000 years and to this day use the dried flower stems as toothpicks."
Toothpick "Plant"
"Toothpick turns after-dinner teeth cleaning into an extravagant experience! Featuring an elegant cluster of flowers from the toothpick plant (ammi visnaga) and a natural oak desk stand, it makes an attractive - yet functional - addition to any table. To use, simply snap off a stem from the beautiful dried flower and use it like a regular toothpick. the flower heads used in rivsalt TOOTHPICK are harvested from Morocco’s atlas mountains where they are dried and then shipped to Casablanca for final selection. locals have used the plant for a wide range of purposes for more than 1000 years and to this day use the dried flower stems as toothpicks."
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