Unexplained Mysteries List

A region in the western part of the North Atlantic Ocean where numerous aircraft and ships have disappeared mysteriously under unexplained circumstances.

In 1959, nine hikers died mysteriously in the Ural Mountains of Russia; the cause of their deaths remains controversial and unexplained with theories ranging from avalanches to paranormal activity.

A strong narrowband radio signal detected in 1977 by the Big Ear radio telescope, which some speculate may have originated from extraterrestrial intelligence.

A mysterious low frequency humming noise heard by residents of Taos, New Mexico, which remains unexplained despite numerous investigations.

Ancient large geoglyphs in the Nazca Desert of southern Peru, depicting various animals and shapes whose purpose and method of creation are still debated.