The Mothman: A creature reportedly seen in Point Pleasant, West Virginia in the 1960s, described as a large, winged humanoid with glowing red eyes.

The Dyatlov Pass Incident: The unexplained deaths of nine hikers in the Ural Mountains of Russia in 1959, with injuries suggesting they were killed by an unknown force.

The Taos Hum: A low-frequency humming sound heard by residents of Taos, New Mexico, with no known source.

The Wow! Signal: A strong radio signal detected by astronomer Jerry R. Ehman in 1977, believed to be of extraterrestrial origin.

The Mary Celeste: An American merchant ship found adrift in the Atlantic Ocean in 1872 with no crew on board, the fate of the crew remains a mystery.

The Mystery of the Nazca Lines: Massive ancient geoglyphs in the Nazca Desert of Peru, whose purpose and creators remain unknown.

The Tunguska Event: A massive explosion that occurred in the Siberian wilderness in 1908, believed to have been caused by a meteorite or comet.

The Philadelphia Experiment: A rumored military experiment in 1943 that supposedly rendered the USS Eldridge invisible and teleported it from Philadelphia to Norfolk, Virginia.

The Pollock Twins: The case of two British sisters who reportedly had memories of their deceased older siblings, leading some to believe in reincarnation.