Throughout human history, countless events, people, and phenomena have perplexed and intrigued us. From ancient civilizations to modern times, many mysteries still have yet to be fully understood or explained. These historical enigmas continue to captivate our imaginations, sparking debate and inspiring new theories and investigations.
Here are some of the biggest historical mysteries that have stood the test of time.
The Disappearance of the Roanoke Colony
In 1587, an English colony was established on Roanoke Island, off the coast of present-day North Carolina. However, when a resupply mission arrived in 1590, they found the colony deserted, with no sign of the 118 colonists who had settled there.
The only clue was the word "Croatoan" carved into a post, which suggested that the colonists may have joined the local Native American tribe. However, no conclusive evidence has confirmed what happened to the Roanoke colonists.

Classic Vision/ Age fotostock | The lost colony of Roanoke is one of the most-notorious mysteries in American history
The Fate of the Romanovs
The Romanovs were the last imperial family of Russia, ruling from 1613 until the Russian Revolution in 1917. In 1918, following the revolution, Tsar Nicholas II, his wife, and their five children were executed by Bolshevik forces. However, rumors persisted for years that some members of the family had escaped and survived.
In 1991, the remains of the Romanovs were found in a mass grave, but there is still some controversy over whether all the family members were accounted for and whether any of them could have survived.
The Identity of Jack the Ripper
Between August and November 1888, brutal murders occurred in the Whitechapel district of London, England. The killer, who was dubbed "Jack the Ripper" by the press, was never caught or identified.
The murders were particularly gruesome, with the victims being mainly women who worked as prostitutes. Many suspects have been named over the years, but no definitive proof has ever been found as to the identity of the killer.

DE AGOSTINI/ GETTY IMAGES | The true identity of Jack the Ripper may never be known
The Construction of Stonehenge
Stonehenge, a prehistoric monument in Wiltshire, England, remains one of the world's most famous archeological sites. It consists of a circle of standing stones, some weighing up to 25 tons, arranged in a pattern that aligns with the movement of the sun and moon.
Despite decades of research, the purpose and construction of Stonehenge remain a mystery. Some theories suggest that it was a burial ground or a place of healing, while others believe it was an astronomical observatory or a site for religious rituals.
The True Identity of the Zodiac Killer
The Zodiac Killer was a serial killer who operated in northern California in the late 1960s and early 1970s. He sent cryptic letters to the media and the police, taunting them with clues to his identity. The killer was responsible for at least five murders and possibly more. Despite an intensive investigation, the Zodiac Killer was never caught, and his true identity remains unknown.

Lindsey Galloway/ BBC | Atlantis is a fictional island mentioned in an allegory on the hubris of nations in Plato's works Timaeus and Critias
The Location of Atlantis
The ancient Greek philosopher Plato wrote about a powerful and prosperous civilization called Atlantis, which he claimed existed more than 9,000 years before his time.
According to Plato, Atlantis was a maritime power that conquered much of Western Europe and Africa before sinking into the ocean in a single day and night of catastrophic earthquakes and floods. Many theories have been proposed as to the location of Atlantis, but no conclusive evidence has ever been found.