Cicada 3301 is a mysterious large-scale codebreaker event that took place in 2012. A random account on 4chan appeared with the name Cicada 3301 and had these large puzzles for people to solve.
Lake Lanier has unfortunately gained a sinister reputation for the high drowning rate, mysterious disappearances, boat accidents, a dark past of racial injustice, and the Lady of the Lake.
The Bondo apes are an isolated population of chimps from the Bili forest in Democratic Republic of Congo.
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 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.
In 1955, a boat's entire crew of 25 completely disappeared even though the boat itself didn't actually sink!
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.