The weather can't be beat, and the water is crystal-clear. Hawaii's third-largest island is home to some of the world's best diving, offering something for every type of diver.
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.
Diving a Titan I missile silo in Washington transports a scuba diver back to 1965.
An Arctic dive trip of a lifetime: Bring your drysuit and sense of adventure to East Greenland and encounter humpbacks, orcas, fin whales and more!