Plunging into the ocean depths will give you a new perspective on the planet—and make you fall in love with sharks. A scuba diver explores a cave inside Casa Cenote on Mexico’s Yucatán Peninsula. The ...

Best tourist destination: Lizard Island, Australia Best for biodiversity: Raja Ampat, Indonesia Best for shore diving: Bonaire Best for beginners: Key Largo, United States Best for advanced divers: ...

I have been scuba diving twice: once in Havelock, Andaman Islands, and once in Pondicherry. Both dives were guided for beginners, and while I am far from an expert, the experiences were unforgettable.