Imagine gliding along Europe's waterways, waking each morning to a new Christmas Market on your schedule. I visited nine markets — from Prague to Budapest — aboard a river cruise, and discovered 3 essential tips every traveler should know before they go, from buying that one-of-a-kind find on the spot to savoring each city's unique flavors. If you're dreaming of glühwein, twinkling lights, and festive cheer with friends, this is a holiday adventure worth planning.
