The ocean floor is home to centuries' worth of sunken vessels integrated into marine habitats. Explore extraordinary wrecks around the world and learn how these artificial structures have become a part of the ecosystem--and in some cases, a vital tool in reversing the effects of human impact.
First Air Date: 2016-07-27
Last Air Date: 2016-08-24
Status: Ended
Number of Seasons: 1
Number of Episodes: 5