The diving fishermen in Thoothukudi and Kovalam are fighting the pressures of the modern world to keep their way-of-life—and connection to the sea—alive.

*Belize Aggressor IV's* 24 dives in six days explore a newly minted shark sanctuary with worldwide implications.

The Monterey Bay Aquarium Research Institute filmed to giant phantom jellyfish — which has 10-foot arms — more than 3,000 feet deep off the California coast.

MT *Haven*, the Mediterranean's largest wreck, is popular with fish and divers alike. Local divers are pushing the government to make it an MPA.

The PADI Ice Diver specialty covers the skills you need to appropriately manage your risk and confidently venture beneath the ice.

Explore the 17-miles of Bonne Terre Mine Dive Trails, a retired lead mine.

Branching and boulder corals releasing billions of new coral larvae onto the Great Barrier Reef, which has battled bleaching in recent years.