Royal Caribbean, Norwegian, Carnival, Seabourn, Windstar, Silversea and Star Clippers are among the lines with top cruise ...

Here are the most stunning destinations teeming with marine life that are worth visiting if you love to snorkel - or are looking to give it a try.

Scientists, including those from National Geographic Pristine Seas, find scuba divers are willing to pay more to seek adventure in Marine Protected Areas, estimating an additional USD 2.7 billion ...