
Boesmansgat (Bushman's Hole)
Boesmansgat, South Africa
Gomes dived this Northern Cape cave to 282.6 m in 1996, setting the record for the deepest scuba dive in a freshwater cave.
- Technical
- Cave

Boesmansgat, South Africa
Gomes dived this Northern Cape cave to 282.6 m in 1996, setting the record for the deepest scuba dive in a freshwater cave.

Mount Gambier sinkholes, Australia
A spring-fed pool of startlingly clear water; its deeper chasm is reserved for cave divers.

Riviera Maya & Cenotes, Mexico
Part of the Sac Aktun system near Tulum: white walls, crystal clear water and highly decorated passages to a max of 10 m.
Chuuk (Truk) Lagoon, Micronesia
The 'Million Dollar Wreck', a 117 m freighter named for its costly cargo.

Chuuk (Truk) Lagoon, Micronesia
A twin-barrel anti-aircraft gun, three Howitzers and a Japanese battle tank lie on this wreck.
Palau
Four flooded chambers, each with an air pocket, in a rock island under a mile from Koror's dive shops; bring a light.
Wreck
down to 55 m
Trincomalee & East Sri Lanka, Sri Lanka
The world's first purpose-designed aircraft carrier, lying 40-53 m off Batticaloa and a designated war grave.
Wreck
down to 38 m
Chuuk (Truk) Lagoon, Micronesia
Swim through intact engine rooms with gauges and dials still in place.
Cave
down to 135 m
Plura Cave (Pluragrotta), Norway
Northern Europe's deepest cave: about 3 km of passages and the most-dived cave in Scandinavia, with visibility up to 20 m.
Levels with a dashed outline are estimates we are still checking against published sources.