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
A Documentary on the Making of 'Gore Vidal's Caligula' (1981)
Addicted to Porn: Chasing the Cardboard Butterfly (2017)
Fanalysis (2002)
Großes Kino made in DDR (2016)
Partners in Rhyme: The True Story of Infinite (2016)
Storror Supertramps - Thailand (2015)
Nana (2016)
Conversations of a Marriage (2013)
Pretty Old (2012)
Unrest (2017)
POWER (2014)
What Difference Does It Make? (2014)
Modern Guatemala City (1945)
You're So Cool, Brewster! The Story of Fright Night (2016)
F1 How It Was (2016)
Youth 100 Kilometers (2016)
If I Had Four Dromedaries (1966)
The New Man (2016)
Whose Country? (2016)
Legends of the Knight (2013)