The Zodiac Killer terrorized Northern California in the late 1960s, leaving behind a trail of cryptic messages and unsolved murders.

The Voynich Manuscript, written in an unknown language and filled with intricate illustrations, remains one of the most enigmatic texts in history.

The Missing 411 Cases refer to the mysterious disappearances of hikers and campers in national parks and forests across North America.

Atlantis, a mythical island believed to have sunk beneath the sea, has captivated imaginations for centuries.

In 2014, Malaysia Airlines Flight 370 vanished without a trace, leaving behind a perplexing mystery that remains unsolved.

The Loch Ness Monster, also known as Nessie, is a legendary creature believed to live in the depths of Loch Ness.

In 1959, nine hikers died under mysterious circumstances in the Dyatlov Pass in the Ural Mountains, leaving behind unanswered questions.

Stonehenge, a prehistoric monument consisting of large standing stones, has puzzled archaeologists and historians for centuries.

In 1587, a group of English colonists led by John White disappeared from Roanoke Island, leaving behind only the word "CROATOAN" carved into a tree.

Crop circles, intricate patterns formed by flattened crops, have been a source of speculation and debate among scientists and enthusiasts.

In the 1960s, a series of strange sightings and events occurred in Point Pleasant, West Virginia, including encounters with a mysterious creature known as the Mothman.

Bigfoot, also known as Sasquatch, is a legendary creature said to inhabit the forests of North America, with numerous reported sightings over the years.

In 1965, a mysterious object crashed in Kecksburg, Pennsylvania, sparking speculation about extraterrestrial origins.

The Chupacabra, a legendary creature believed to suck the blood of livestock, has been reported in various parts of South America.

The Jersey Devil, a legendary creature said to inhabit the Pine Barrens of New Jersey, has been the subject of numerous sightings and folklore.