Blue holes scattered throughout the Gulf of Mexico inspire a team of exploration scientists and divers who set out to uncover the mysteries of these submerged sinkholes.
Season 12 Episodes
Ten years after the Deepwater Horizon oil rig disaster, scientists study its devastating impacts on the Gulf of Mexico and use lessons learned to prepare for the next big spill.
The territory’s corals are thriving, while reefs elsewhere are in serious decline. Experts study what makes these corals more resilient to local and global stressors.