Top 10 dive sites of the world! From the weird micro-creatures at the bottom of the Bismarck Sea to shark feeding frenzies off Cocos Island, Tim Ecott reveals where to experience the thrills of the deep.

Truk Lagoon, Micronesia
In 1944 an entire Japanese fleet sunk in this lagoon – one of the world’s largest – and it remains an underwater museum, with sake cups, skeletons, and fighter planes still waiting in hangars frozen in time.

This epic collection of wrecks can be seen by snorkelers, but is best explored with scuba.

Liveaboard boats circling the lagoon sell out far ahead of travel but Dive Worldwide ((845 1306980; offers an nine-night stay from £2,695including accommodation on a b & b basis at the Blue Lagoon Resort, two boat dives per day to the Truk Lagoon, flights, transfers, tanks and weights.

Find out more here