The Cook Islands is proving that sustainable tourism isn't just possible – it's essential. Here's how this South Pacific nation is preserving their paradise for generations for come.

The volcanoes were found during an expedition to map the seafloor near the Cook Islands in the Central Pacific, about 2,900 miles (4,700 kilometers) south of Hawaii.

Discover our guide to Cook Islands – an idyllic Pacific destination known for pristine beaches, turquoise lagoons, and a relaxed island vibe.