Just think of waking up each morning to a fresh horizon — to the ice-carved fjords of Antarctica one week, terraced rice paddies in Bali the next, then the sun-kissed Aegean waters off Santorini not long after. Royal Caribbean’s Ultimate World Cruise, sailing on Serenade of the Seas, is a 274-night epic offering the ‘ultimate dream of living on board’ as you set out to explore every continent, country and culture on the planet.
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