1.
In 1986, a lake exploded. Lake Nyos in Cameroon released a sudden burst of CO2, suffocating 1,700 people and over 3,500 livestock.
2.
Veterinarians sometimes give cows magnets to eat to collect the metal in their bodies and make them less susceptible to “hardware disease.”
3.
In the 1500s, there was a dancing plague in Germany that claimed nearly 400 lives. People couldn’t stop dancing and would eventually collapse from exhaustion or heart attack.
6.
There’s a haunted chair in England called the Busby’s Stoop Chair that is said to bring death to anyone who sits on it.
7.
In Taos, New Mexico, 2% of residents are known as “hearers” of a mysterious low-frequency hum. Not everyone can hear the hum, and when audio equipment was set up, nothing was detected.
9.
There’s a document called the Voynich manuscript written in an unknown language in the 1400s. Nobody knows what it says, and both scholars and codebreakers can’t figure out the text.
12.
In the 1840s, doctors didn’t wash their hands between autopsies and childbirth, leading to a high infant mortality rate.
13.
There’s a book called Chronicles from the Future written by a man in 1922 who alleges he went into a coma and his conscience went to the year 3096. The book is his detailed description of the future.
15.
There’s an unverified legend of an arcade game called Polybius that was installed in several arcades in the 1980s that people would line up to play and report nightmares and hallucinations afterward. Apparently, “men in black” would come to collect unknown data from the machines.
16.
“Spider rain” is a phenomenon in Australia where millions of spiders seemingly fall from the sky and coat the ground in a thick web.
17.
Speaking of terrifying rain, over four days in 1994, it rained a gelatinous goo in Washington that made people really sick. These were known as the Oakville blobs, and none of them remain. There is no documentation that they existed aside from eyewitness accounts.
View this video on YouTube
King5 Seattle / Via youtube.com
18.
There’s an unexplained light called the Joplin Spooklight in Missouri that shows up on an old dirt road. People have reported feeling really cold when they see the light, almost as if it passes through them.