Diving in the Mediterranean

Four thousand Classical amphorae still stacked on the seabed at 25 m

A hot spring vents into the sea off Karaada's caves

Dusky groupers the size of car doors patrol two submerged mountains

Nineteen uninhabited islands and light-filled caves off Mallorca

Schist walls, tunnels and red gorgonian fans at the Pyrenees' end

The Mediterranean's largest sea cave, with entrances from 8 m to 33 m

Granite seamounts rising to the surface off Sardinia's south-east corner

At Mérouville, habituated dusky groupers stay with divers all dive

Fossil elephant tusks inside a cave whose entrance is now at 10 m

A drowned volcanic crater 50 km offshore, with permit-limited diving

A sunken DC-3 and a replica Bronze Age ship on the Lycian coast

Sheer limestone crowns dropping past 80 m into the open Adriatic

A 172 m ferry on her side, lorries still chained to the car decks

Shore-entry wrecks and a rock-tunnel sinkhole dive at Gozo's Blue Hole

Where Cousteau ran the first underwater archaeological dig in 1952

Dusky grouper by the dozen inside a Costa Brava marine reserve

Dozens of dusky groupers hold station on the rock face at La Gabinière

Red gorgonian forests below 25 m and a bronze Christ at 17 m

Limestone chimneys lit from above, and a 1918 battleship at 66 m

Dusky groupers patrol coral-lined tunnels beneath a Genoese fort

A bronze Padre Pio stands on a submerged rock at 14 m

Grouper on nearly every dive inside Italy's oldest marine reserve

A WWII dive bomber wreck found in 2014, still remarkably intact