When it comes to cruises, some view it as a retirement activity for elderly people who want a convenient, fuss-free way to travel. In fact, there are old folks who book back-to-back cruises because it's more affordable than a nursing home.

Cruise passengers will have plenty of new ways to vacation in 2025. Cruise lines are launching a slew of vessels over the next 12 months, from massive megaships with high-tech attractions to intimate ships offering a more laid-back voyage.