Some of history’s greatest mysteries were never solved—they were simply left behind.
Questions like what happened to the Lost Colony of Roanoke, who wrote the Voynich Manuscript, and the identity of the Somerton Man continue to puzzle researchers even today.
Some mysteries are tied to ancient knowledge, like the Antikythera Mechanism, often called the world’s first computer, or the Phaistos Disc, a code no one has been able to fully decode.
Others are connected to powerful figures and forgotten truths, from the missing tomb of Alexander the Great to the woman who may have filmed JFK and the true age of the Sphinx.
Each mystery offers clues—but never enough to fully explain what really happened.
Explore the full collection of historical mysteries below.
From undeciphered texts to lost tombs and impossible machines, these historical mysteries remain unfinished because the evidence still refuses to settle into one explanation.
The Mary Celeste mystery is the chilling true story of a ship found drifting across the Atlantic in 1872 with its cargo intact and every person on board gone. More than a century later, the disappearance of Captain Benjamin Briggs, his family, and his crew still stands as one of history's most haunting maritime mysteries.
A man found dead on Somerton Beach in 1948 carried a hidden scrap of paper reading Tamam Shud, launching one of history’s strangest mysteries involving a coded message, a missing identity, and questions that still refuse to die.
In the summer of 1518, the city of Strasbourg fell under a strange and terrifying spell. It began with one woman who couldn’t stop dancing—then, within weeks, hundreds joined her, moving wildly day and night until some collapsed and died. Doctors called it “hot blood,” priests called it a curse, and historians still can’t explain it. Was it mass hysteria, poisoned bread, or something far darker? This is the eerie true story of The Dancing Plague of 1518, when an entire city lost control of its own body.
In 1908, archaeologist Luigi Pernier uncovered a small clay disc in the ruins of a Minoan palace on Crete. Covered in 241 stamped symbols spiraling from edge to center, the disc’s meaning remains a mystery to this day. Scholars, cryptographers, and amateurs have tried to decode it for over a century, but the Phaistos Disc refuses to give up its secrets. Was it a message, a prayer, a calendar, or something far stranger? This is the story of the disc that has puzzled humanity for over 3,700 years.
Over a thousand years ago, Viking warriors carried swords that should not have existed. These weren’t the rough, brittle weapons of the time. They were stronger, sharper, and built with technology that wouldn’t appear in Europe for centuries. Each blade carried a single word etched into the steel: Ulfberht. Were these swords forged by some secret master, brought from distant lands, or crafted with knowledge long since lost? To this day, no one can fully explain how the Vikings created their mysterious super-swords.
The Great Sphinx of Giza, a monumental guardian carved from the very bedrock of Egypt, is conventionally believed to be around 4,500 years old, a masterpiece from the reign of Pharaoh Khafre. Yet, a compelling geological theory challenges this long-held belief, suggesting the Sphinx is far older, perhaps 10,000 to 12,000 years old. This radical idea stems from observed water erosion patterns on its limestone surface and enclosure walls, features that geologists argue could only have been caused by prolonged, heavy rainfall from a much wetter ancient climate, thousands of years before dynastic Egypt. This debate, pitting archaeological consensus against geological evidence, could potentially rewrite the entire timeline of human civilization, transforming the Sphinx into a silent testament to a lost, advanced culture.
For centuries, Alexander the Great's tomb was famous enough for emperors to visit. Then the shrine, the body, and the trail itself slipped into one of history's deepest mysteries.
The Copper Scroll may be the oldest treasure map in history: a corroded metal scroll that appears to list buried riches no one has ever found. Its clues are real, its artifact survives, and its missing fortune still turns archaeology into a late-night mystery.
A woman in a headscarf may have filmed the JFK assassination from Dealey Plaza, then vanished before history could identify her. The Babushka Lady remains one of the most haunting missing-witness mysteries in the Kennedy case.