What really happened to the 130 children who vanished from Hamelin in 1284?
Open the case filePhoto: Augustin von Moersperg, Public domain
True horror
Disasters, disappearances and dark history, told from the records that survive. 7 case files, each with its sources.
Where did 150 English colonists go, leaving only the word CROATOAN carved into a post?
Open the case filePhoto: Design by William Ludwell Sheppard, Engraving by William James Linton, No restrictions
What happened to the ten people who vanished from the Mary Celeste, leaving six months of food behind?
Open the case filePhoto: Unknown artist (possibly Honoré Pellegrin), Public domain
Why did hundreds of people in Strasbourg dance for days in 1518, unable to stop?
Open the case filePhoto: After Pieter Bruegel the Elder (The Metropolitan Museum of Art), CC0
Why would nine experienced hikers cut open their own tent and walk into a Siberian winter night in their socks?
Open the case filePhoto: Unknown author (Soviet investigators), Public domain
How did one ship collision in a Canadian harbour kill nearly 2,000 people?
Open the case filePhoto: Unknown photographer, Public domain
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How did a wave of molasses kill 21 people in the middle of Boston?
Open the case filePhoto: Boston Public Library, Public domain
- The children of HamelinHamelin (Hameln), Germany, 1284
- The Halifax explosionHalifax, Nova Scotia, Canada, 1917
- The molasses floodNorth End, Boston, USA, 1919
- The lost colonyRoanoke Island, North Carolina, USA, 1587
- The Mary CelesteAtlantic Ocean, east of the Azores, 1872
- The dancing plagueStrasbourg, France, 1518
- Dyatlov PassNorthern Ural Mountains, Russia, 1959
Drag to turn the globe. Select a marker to open its case.
True horror case files
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UNEXPLAINEDThe Lost Children of Hamelin
Behind the fairy tale of the Pied Piper is a real town record: in 1284, 130 children left Hamelin and never came back.
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CONFIRMEDThe Halifax Explosion of 1917
Two ships collided in a Canadian harbour. One was packed with explosives. Within minutes, a whole district of the city was gone.
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CONFIRMEDThe Great Molasses Flood of 1919
In January 1919 a giant tank burst in Boston and a wave of molasses swept through the streets. It killed 21 people.
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UNEXPLAINEDThe Lost Colony of Roanoke
In 1587 about 150 English settlers landed on Roanoke Island. Three years later they had vanished, leaving one word carved into a post.
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UNEXPLAINEDThe Mary Celeste: Found Sailing With No One Aboard
In 1872 a merchant ship was found drifting in the Atlantic with six months of food aboard. All ten people on it were gone.
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MOSTLY EXPLAINEDThe Dancing Plague of 1518
In the summer of 1518, hundreds of people in Strasbourg danced for days and could not stop. The city's cure made it worse.
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MOSTLY EXPLAINEDThe Dyatlov Pass Incident
Nine experienced hikers fled their tent in a Siberian winter night, cutting it open from the inside. None came back.
How we check every story
We work from primary sources: original records, peer-reviewed research, space agencies, museums and government documents. Each case shows its sources and ends with an honest verdict. When something is unexplained, we say so.