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Unexplained

Verdict: Mostly False
Unexplained

The Nampa Figurine

Nampa, Idaho c. August 1889

Verdict: True
Ghost Towns

Moynaq

Moynaq, Karakalpakstan 1960 to 2014

Verdict: Mixture
Conspiracies Unexplained

Metro-2

Moscow, Russia 1956 to 1991

Verdict: Unproven
Disappearances

Michael Rosenblum

Baldwin, Pennsylvania February 14, 1980

Verdict: Unproven
Conspiracies Unexplained

The Death of Meriwether Lewis

Hohenwald, Lewis County October 11, 1809

Verdict: Mostly False
Conspiracies Unexplained

The Mecklenburg Declaration of Independence

Charlotte, Mecklenburg County May 20, 1775

Verdict: Mixture
Unexplained

The McCalla Hum

McCalla, Alabama c. May 2011

Verdict: False
Conspiracies Unexplained

Mars Polar Lander

South Polar Region, Mars December 3, 1999

Verdict: True
Unexplained

Martin Guerre

Artigat, Ariège 1548 to September 16, 1560

Verdict: False
Paranormal Unexplained

The Doorway on Mars

Mount Sharp, Gale Crater May 7, 2022

Verdict: Mostly False
Conspiracies Unexplained

The Death of Marilyn Monroe

Brentwood, Los Angeles August 4, 1962

Verdict: Unproven
Unexplained

Marree Man

Marree, South Australia June 26, 1998

Verdict: Unproven
Unexplained

The Margate Shell Grotto

Margate, Kent c. 1835

Verdict: Mostly False
Paranormal Unexplained

The Mantell UFO Incident

Fort Knox, Kentucky January 7, 1948

Verdict: Legend
Unexplained

The Man in the Iron Mask

Île Sainte-Marguerite, Alpes-Maritimes July 19, 1669 to November 19, 1703

Verdict: Misattributed
Paranormal Unexplained

The Mandela Effect

Chicago, Illinois c. 2009

Verdict: Unproven
Disappearances

Mallory and Irvine on Everest

Mount Everest, Tibet Autonomous Region June 8, 1924

Verdict: Legend
Unexplained

The Mahogany Ship

Warrnambool, Victoria 1836 to 1881

Verdict: Unproven
Unexplained

The Death of Magdalena Żuk

Marsa Alam, Red Sea Governorate April 25–30, 2017

Verdict: Unproven
Disappearances

The Disappearance of Louis Le Prince

Dijon, France September 16, 1890

Verdict: Mixture
Unexplained

Longyou Caves

Longyou, Quzhou June 1992

Verdict: Mostly False
Unexplained

Loretto Chapel Staircase

Santa Fe, New Mexico 1877 to 1881

Verdict: Unproven
Unexplained

Lizzie Borden

Fall River, Massachusetts August 4, 1892

Verdict: Mixture
Unexplained

The Lipstick Killer

Chicago, Illinois June 5, 1945 to January 7, 1946

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