The world's longest continuous cruise is to set sail in August next year and will be out at sea for a staggering 245 days.

This eight-month journey is Viking’s third voyage around the globe, but it is nearly double the length of its previous world cruises. To be on board the ship, you'll need at least $90,570, and to clear your calendar from August until May the following year.

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The high seas odyssey, which will sail around the globe for most of the year, will call at 113 ports in an impressive 59 countries on every continent other than Antartica.

The Norwegian-Owned, Viking Sun, can board 930 lucky passengers and will start its journey in Greenwich, England. The ship will then start its journey heading to stops in Ireland and Norway, before making its way across the Atlantic to Greenland.

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It does not come cheap to board the 228-meter-long Viking Sun, and it will work out at costing $370 a day. As for the biggest cabin, which is the Owner’s Suite and has already been booked, costs $263,000 per person or $525,000 for two.

The price for everyone does include business-class fares for anyone flying into London before the round-the-world journey begins, as well as, meals which can be enjoyed in a choice of eight restaurants that are on board the ship. While there is plenty of food for passengers to indulge in, there will also be on-board classical musicians, lectures in history and the arts, and cookery classes to enjoy. For that reason, it has been dubbed the 'thinking person's cruise.'

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Travelers on board the ship with have the options of two pools to use. There will also be a thermal spa that includes a snow grotto where snowflakes fall through chilled air, given the fact the Viking Sun is Norwegian. They will also be offered 'serene Scandinavian spaces,' and privileged access to ‘experiences’ at the many destination visits.

The trip will then end with a passage through the Suez Canal to the Mediterranean, then up the west coasts of Spain and Portugal back to the UK. Viking chairman Torstein Hagen said: ‘Our World Cruises offer guests the rare opportunity to unpack once and explore dozens of the best destinations on Earth, at a value that is unprecedented in the travel industry.’