On a typical night dive, you’ve got the reef as reference, but a blackwater dive can take place in open ocean. What are the world’s best blackwater dives?
In the Scottish Highlands, a remote, sheltered stretch of water around the Orkney Islands is home to Scapa Flow, with some of the best dive sites in Britain.
Altitude diving begins when you pass above 1,000 feet (300 m). What are some of the best spots for this lofty pursuit?
Do movies like “Finding Nemo” and “Finding Dory” ultimately help or hurt the marine environment? The answer’s not black and white.