The Mystery Beneath (2015)

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.

• Release Date: 2015-11-01
• Runtime: 0h 58min
• Production Company: A Nice Company
• Production Country: Finland, Sweden
• Director: Magnus Egler