A mystical lost continent, Mu was introduced by Augustus Le Plongeon. He used "Land of Mu" as an alternative name for Atlantis. Later, James Churchward popularised it as an alternative term for the hypothetical land of Lemuria and stated that Mu was located in the Pacific Ocean before its destruction. Join Urban explorer Justin Fornal as he sets out to investigate mysteries that have remained elusive through history. Watch Unexplained and Unexplored, Fridays nights at 9 pm only on Discovery Chan

The lost continent of Mu is a hypothetical ancient landmass proposed by 19th-century traveler and writer Augustus Le Plongeon. He claimed that Mu was a continent located in the Atlantic Ocean and that it was the site of an advanced civilization, similar to Atlantis. Le Plongeon's ideas were further popularized by James Churchward, who wrote extensively about Mu in the early 20th century. According to Churchward, Mu spanned a vast area and was home to millions of inhabitants before sinking into t