The Lost Colony of Roanoke is a baffling disappearance of an entire settlement in the late 16th century.
The fate of the crew of the Mary Celeste, found adrift in the Atlantic Ocean in 1872, is still unknown.
The identity of Jack the Ripper, a notorious serial killer in Victorian London, remains a mystery to this day.
The Voynich Manuscript is an undecipherable text from the 15th century, filled with mysterious illustrations.
The Bermuda Triangle continues to puzzle with its high number of unexplained disappearances of ships and planes.
The Zodiac Killer, who terrorized California in the late 1960s and early 1970s, has never been identified.