There is no more civilized way to discover Europe than from the deck of a river ship — gliding past vineyard terraces, medieval cathedral towns, and castle-crowned ridges, docking at the very heart of each destination rather than miles from its soul. River cruising has evolved enormously. Today's finest lines operate ships that rival boutique hotels in design, dining, and personal service — and the differences between them matter. Below you'll find my curated overview of the