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!

Scuba Club Cozumel has been serving divers for more than 25 years with an unrivaled dedication to safety and personalized diving experiences. Located on the island of Cozumelin Mexico’s Caribbean Sea, the PADI Five Star International Training Center provides diving services for Scuba Club Cozumel Dive Resort. See the video for three reasons you should dive with Scuba Club Cozumel.

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.

Test your knowledge of dive geography using the three clues to determine the name of this mystery dive spot.

Ask a Straits of Mackinac diver for a favorite wreck and there will be disagreement. There are many standouts off Michigan's Lower Peninsula.

Check out this video from an underwater photographer as he comes face to face with a deadly leopard seal. You'll be surprised by what happens.