Joni Hanebutt/Shutterstock
- Royal Caribbean's ongoing nine-month Ultimate World Cruise has become a TikTok sensation.
- "We had no clue what a pain in the ass a world cruises is," the cruise line's CEO said.
- The 274-night itinerary includes more than 150 destinations in 65 countries.
It turns out that planning a nine-month around-the-world cruise is, in fact, as difficult as you might think.