Royal Caribbean World Cruise 2025 Itinerary. This rich, immersive experience on serenade of the seas is the longest and most comprehensive world cruise out there, sailing roundtrip from miami on dec. Of the 150 ports of call, 40 are either rarely available in.

Get to know the expeditions, destinations, and cities part of the ultimate world cruise. America, antarctica, asia, the south pacific, and the capitals of culture.