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.
If you’re an underwater photographer who’s ready to make the leap from a compact camera to a DSLR, here’s what you need to know.