Mexico is the world's most popular cruise destination, with over six million cruise passengers a year arriving at Mexican ports.

The port authority started promoting Pembrokeshire as a cruise destination in 2003 and passenger numbers have steadily increased since then.

Although still small in numbers of visitors, Asia is the fastest growing cruise destination.

Like other Baltic ports, Helsinki has become an increasingly popular cruise destination in recent years.

Libya has never quite made it as a cruise destination because of tough entry requirements.

Jane Archer suggests six of the best cruise destinations in exotic corners of the world.

And Vietnam is a growing cruise destination.

The Caribbean remains the most popular cruise destination, attracting an estimated 57 percent of passengers.

Alaska accounts for just under 7 percent of the market, but it is a rapidly growing cruise destination.

But Hawaii has never been a huge cruise destination, largely because of its distance from the mainland and the cost of getting there.