Giant manta rays, dolphin encounters, and rainbow reefs await in Hawaii's best snorkeling spots. Dive into paradise with our ...

Jono Allen tells PEOPLE exclusively about his mesmerizing career as an underwater photographer, and how one ocean dive with whales changes his life forever ...

Hippos are some of the earth’s largest land animals. Their name derives from Greek when they were called “river horses,” although “river cows” might have been a better description. These ferocious ...