Skip to content

Mysteries

Stories from the edge of explanation.

  • Latest
  • UFO & Beyond
  • Cryptids & Creatures
  • Hauntings & Paranormal
  • Ancient Enigmas
  • Vanishings & Strange Events
  • Science on the Edge
  • Explained at Last
  • The Archive
  • About
  • Random mystery

Clemente Onelli

Nahuelito: The Patagonian Plesiosaur and the Expedition of 1922

November 10, 2026 by Tommy Hayes
Lake Nahuel Huapi in Argentine Patagonia, deep blue water between forested hills and snow-capped Andes peaks

About 6 min readEleven years before the Loch Ness Monster made the news, a Patagonian lake monster was already an international sensation. In 1922, a zoo director, a gold prospector and a team carrying dynamite and elephant rifles went looking for it.

Categories Cryptids & Creatures Tags Clemente Onelli, lake monster, Nahuel Huapi, Nahuelito, Partially explained, Patagonia Leave a comment

About Mysteries

Mysteries is an archive of phenomena that still lack a settled explanation. We tell these stories with evidence first: what was seen, what was recorded, what can be checked, and what remains unknown.

  • About
  • How we research
  • Corrections

Browse

  • Ancient Enigmas
  • Cryptids & Creatures
  • Explained at Last
  • Hauntings & Paranormal
  • Mystery News
  • Science on the Edge
  • UFO & Beyond
  • Vanishings & Strange Events

The archive

  • Latest
  • Explained at Last
  • Random mystery

Past Tunes family

  • Past Tunes
  • True Crime
© 2026 Mysteries • Built with GeneratePress