From year-round diving and a diversity of habitats, Florida has everything you need to learn to dive and advance your skills. With some luck, you could even glimpse a whale shark.
Scuba diving in a cenote near Chichén Itzá, an underwater archaeologist explores an otherworld strewn with Maya offerings, from pottery to human bones.
Watch mobula rays — aka devil rays — feeding and flying off Baja California, Mexico, in what National Geographic says could be the largest school ever filmed.
Marvel at the wonders of Indonesia during a liveaboard trip. The itinerary: From the islands of Raja Ampat to the Banda Islands to muck diving in Ambon.