U by Uniworld’s Rooftop Lounge

U by Uniworld, the younger, trendier sibling of Uniworld Boutique River Cruises, set out to be different by painting its ships black, offering a focus on nightlife and creating an al fresco Rooftop Lounge with bold decor that broke the mold when it comes to river cruising. Its ships, The A and The B, sail the Rhine, Danube, and Seine—and definitely turn heads along the way.

Read more: 10 Lavish Cruise Ship Suites