Oahu is one of the world's most beautiful destinations, but these spots take spectacular to a whole other level. Get ready to ...

The ocean is home to all manner of mysteries, from “alien” shape-shifters to ancient shipwrecks. And so, when Richard Branson and a team of scientists took a submersible down to the bottom of Belize’s ...

This 2011 astronaut photo shows the atolls of Rowley Shoals lined up in a near-perfect line off the coast of Australia. The ...

Alligator Reef, marked by its historic lighthouse, provides a window into an aquatic wonderland where parrotfish nibble on coral, nurse sharks rest on sandy bottoms, and schools of silver baitfish ...