My cabin on the Riverside Debussy river cruise came with my very own butler! Just like Carson in Downton Abbey, my butler ...

If you're ready to explore 10 vibrant port cities along the Rhine, Main and Danube rivers, use this guide to memorable Christmas market river cruise itineraries to start planning your holiday.

Popular holiday sailings along the Danube and the Rhine ... Viking's Longships, river cruise vessels steeped in Scandinavian ...