Below its emerald waters, these tropical islands in the heart of the Pacific conceal the world's biggest underwater graveyard.

A hiking trail in Brazil was flooded with heavy rainfall, creating a beautiful underwater paradise. Snorkelers captured the amazing footage of the trail in Recanto Ecologico Rio da Prata reserve ...

A viral video captures a mesmerizing underwater sunset after a diver leaves her GoPro unattended at the ocean’s bottom. The footage showcases marine life, including sharks, whales, and sea turtles, ...