Mystery Facts

Wolfgang Amadeus Mozart was buried in Vienna's St. Marx Cemetery, but the exact location of his grave remains unknown.

No one knows how many people died during the sinking of the Titanic.

In 2007, an unmanned yacht was discovered drifting off the coast of Australia. The engine and a laptop were running, the radio and GPS were working and a meal was set to eat, but the three-man crew were not on board.

In 2003, a Boeing 727-223 was stolen from an airport in Angola. Despite a worldwide search, it still has not been found.

A waterfall in Minnesota called The Devil's Kettle puzzled scientists for decades because half its water disappeared into a hole with no apparent outlet. The mystery was finally solved in 2017 when researchers confirmed the water simply flows through fractured rock and rejoins the river downstream.

The burial site of Genghis Khan remains one of history's greatest mysteries. According to legend, everyone involved in his funeral procession was killed to keep the location secret, and the soldiers who buried him were then executed by another group—who were also killed. While these specific details are unverifiable, the secrecy surrounding his death and burial is well-documented.

Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.

Nobody really knows where strawberries got their name.