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 Book of Soyga is a 16th century manuscript on demonology that was written in Latin. But the reason it's so mysterious is that we have no idea who actually wrote the book.
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.
In 1955, a boat's entire crew of 25 completely disappeared even though the boat itself didn't actually sink!
Researchers have uncovered a strange hot spot on the back side of the moon. The most likely culprit is a rock that is very rare outside of Earth.
The writing system of the Kushans, which is still unknown, was in use within Central Asia between the years 200 BCE and 700 CE.
For years, scientists have been perplexed by the origins of a gravitational hole in the Indian Ocean. Researchers now believe the explanation could be the submerged floor of an extinct ocean.
Preserved in the sand were the remains of a unique timber circle dating back over 4000 years, to the Early Bronze Age.
Barsa-Kelmes has been terrorizing the locals since antiquity, with a series of creepy legends and ancient beliefs.
The ancient underwater city of Kitezh is shrouded in myths and mystery, but there are many indications this place really did exist before it was destroyed.