6 Season
55 Episode
Drain the Oceans - Season 4 Episode 2 The Battle for the Black Swan (2023)
Archaeologists and treasure hunters battle it out over half a billion dollars worth of gold and silver. Who will win the Battle for the Black Swan?
- Country : Australia, United Kingdom, United States of America
- Genre : Documentary
- Studio : National Geographic
- Director :
- Cast : Craig Sechler
