These are treacherous waters, mind, and to do them justice you need a small expedition ship, able to navigate narrow channels and moor at the dinkiest ports.

It was created as an expedition ship and to test the operation of a new kind of marine propulsion system, the turbosail.

Expedition ships increasingly offer fine dining, fully appointed cabins and spas, so while the journey might be about rugged adventure and exploration, the onboard creature comforts are not sacrificed.

But thanks to a new generation of expedition ships, today's would-be explorers can follow in their footsteps in sumptuous style.

Ocean liners, super yachts and expedition ships dock at its international wharf on average once a week.