The Mystery Beneath

The Mystery Beneath
Overview
A group of treasure hunters discover a mysterious object at the bottom of the Baltic Sea in this documentary. Theories abound about the large object's origins. It might be a UFO, manmade, or it might be a naturally occurring phenomenon. Nobody knows.
Similar
Duran Duran: Unstaged (2014)
Facing Ali (2009)
The Texas Chainsaw Massacre: A Family Portrait (1988)
The Movie Palaces (1987)
Shirley Temple: America's Little Darling (1993)
The House on Coco Road (2016)
50 años de... Canciones (2009)
Taylor Swift: From the Heart (2013)
A la diestra del cielo (2007)
E42 (2015)
Trekkies (1997)
Rainier the Mountain (1999)
Materialista, idealista, cinematógrafo, magnetófono, buen chico y sádico (2012)
Rock of Ages: The Rolling Stones (2008)
44 Pages (2018)
Filmmakers of Our Time: François Truffaut or the Critical Spirit (1965)
Ingmar Bergman: The Magic Lantern (1988)
The White World According to Daliborek (2017)
Saxophone Colossus (1998)
The General And Me (2017)