Louis Le Prince was the first person to create moving pictures—but he mysteriously disappeared in 1890, and his fate is still unknown.
Within hours of completing a million-dollar business transaction in Toronto, entertainment tycoon Ambrose Small mysteriously disappeared. Despite an international search, no trace of him was ever found.
The legend of the Man in The Iron Mask goes something like this: Until his death in 1703, a prisoner was held for over three decades across France, including at the Bastille, all while wearing an iron mask, concealing his identity.
Although Ponce de León did explore Florida in 1515, the story about the Fountain of Youth did not become attached to his journeys until after his death.
Medical professionals from a variety of fields were perplexed by her condition, as it challenged conventional understanding of sleep disorders and challenged the limits of human resilience.
In ancient science, nothing was more mysterious than the people who study and practice alchemy or, at least, the people who have been purported to practice it. One such man was known only through his publications and his students. They called him Fulcanelli and that was the name on his books, but who this man really was seems lost to history.
The mystery surrounding the tomb of the eminent Ancient Egyptian architect Senmut, whose ceiling shows an inverted star map, still stirs the minds of scientists.
Dáinsleif – King Högni's sword that gave wounds that never healed and could not be unsheathed without killing a man.
Excalibur, in Arthurian legend, King Arthur's sword. As a boy, Arthur alone was able to draw the sword out of a stone in which it had been magically fixed.
In 1828, a 16-year-old boy named Kaspar Hauser mysteriously appeared in Germany claiming to have been raised his entire life in a dark cell. Five years later, he was murdered just as mysteriously, and his identity remains unknown.