The 17th and 18th-century wrecks were scuttled to form a protective blockade in the Djupasund strait to protect he strategic naval port of Karlskrona from foreign naval attacks.

The state’s Gulf Coast is littered with monumental purpose-sunk wrecks teeming with tropical fish, due in part to state programs that continuously add on to the artificial reef system.

Incredible wrecks to dive in the Red Sea, from the *Thistlegorm* to the *Salem Express* and beyond.

This area off Colombo on Sri Lanka’s southwestern coast rewards intrepid divers with more than 15 known wrecks and warm, crystal-clear water if dived in the right season.

MT *Haven*, the Mediterranean's largest wreck, is popular with fish and divers alike. Local divers are pushing the government to make it an MPA.

Diving the skeletons of sunken watercraft can be riveting, but it requires a specific set of skills.

Two artificial reefs — Jimmy Dales Reef and Greater Jax Kingfish Reef — joined the Spike, scuttled in 2009, earlier this month.

Southeast Asia’s Coral Triangle is home to a plethora of WWII wrecks.

For those who think they’ve seen all the Florida Keys wrecks have to offer at the recreational level, tec diving can open up a whole new realm of possibilities.