Joining strangers on a Christmas liveaboard, two divers abandon holiday rituals to explore Palau’s vivid history and find solace in the underwater realm.
It's voluntourism on a cruise ship: Find out how to swim with manta rays and whale sharks in the Maldives aboard the Four Seasons Explorer liveaboard dive boat.
The horrific Operation Hailstone turned Truk Lagoon into scuba diving paradise, with more than 50 wreck dive sites steeped in history and rich in marine life.