One of the many features that makes Viking the best adult-only cruise is that every single room comes with a private veranda, ...

Scotland, too, can stay relatively cool during the summer. “It's not snow in the summer, but it's definitely chilly, ...

Alaska. A cruise to the Hawaiian islands departs from LA, or you can head to Polynesia. Viking’s ships maintain an intimate setting, with fewer passengers and a quieter, more sophisticated journey.

While the journey wasn’t without some hiccups—remember, this was a new itinerary for Viking—overall it exceeded my expectations. More importantly, it got me excited to cruise on my own again.

Popular destinations include Northern Europe, Greenland, Antarctica, and Alaska ... embarked on a Christmas market cruise along Europe’s Rhine River with Viking, visiting six or seven festive ...