While roaming the Baltic Sea between Sweden and Finland in search of sunken treasures, the men aboard the Ocean Explorer came across a strange, massive object on their sonar. In a documentary filled with the tension and excitement of deep sea adventure, we follow the treasure hunters as they navigate threats both known and unknown to unravel the mystery of this extraordinary discovery.
While roaming the Baltic Sea between Sweden and Finland in search of sunken treasures, the men aboard the Ocean Explorer came across a strange, massive object on their sonar. In a documentary filled with the tension and excitement of deep sea adventure, we follow the treasure hunters as they navigate threats both known and unknown to unravel the mystery of this extraordinary discovery.
