Active & Discovery on the Danube with 1 Night in Budapest (Westbound)

Basel, where Switzerland, France, and Germany converge at the Rhine's northward bend, hosts a concentration of world-class art institutions that rivals any city its size on earth — the Kunstmuseum alone, the world's oldest public art collection, could occupy days, and Art Basel each June draws every name that matters in the contemporary art world to this compact, elegant city. The Rhine itself is the city's great social artery: in summer, locals jump in with waterproof bags and float downstream, a tradition as charming as any museum. Spring through autumn is ideal for outdoor exploration; Paris is just three hours by TGV and Strasbourg a mere twenty minutes by train.

Budapest, divided by the Danube into the hilly Buda of thermal baths and medieval castle lanes on one bank and the grand Pest of coffee-house culture and Art Nouveau splendor on the other, delivers the most theatrical first impression of any European capital — whether approached by river as the neo-Gothic Parliament materializes from the water or by night from the Citadella's sweep of illuminated panorama below. The city's celebrated thermal bath culture, rooted in Ottoman-era hammams and perfected in palatial Secession-era pools like the Széchenyi, is an experience entirely unlike anything else in Europe. Visit spring and autumn for comfortable temperatures; Vienna is two and a half hours west by train.

Breisach am Rhein clings to a volcanic hilltop at the French-German border, commanding the Upper Rhine crossing that made it one of the most fought-over towns in European history — a past the Romanesque-Gothic Münster St. Stephan surveys serenely from its commanding heights. Today peace reigns, and Breisach's true gift is its position as a gateway to three celebrated wine regions: the German Kaiserstuhl, producing some of Germany's finest Spätburgunder; the French Alsace, just across the Rhine; and the rolling hills of the Baden wine country to the east. Visit in autumn for harvest season across all three regions simultaneously. Freiburg im Breisgau, the Black Forest's graceful capital, lies twenty minutes east.

Sitting directly across the Rhine from Strasbourg, Kehl offers Rhine river cruise guests the remarkable experience of crossing from Germany into France in five minutes on foot — arriving at a medieval Alsatian cathedral quarter whose tarte flambée, Riesling estates, and half-timbered Petite France canals represent some of Europe's most enduring pleasures. The surrounding Black Forest and Alsatian Wine Route extend the discovery. Spring blossoms and autumn harvest are the most atmospheric times to visit this Franco-German frontier town.

Mainz is where the modern world was printed into existence: Johannes Gutenberg's invention of movable-type printing around 1440 transformed this ancient Rhine city into the birthplace of the information age, a legacy honoured at the extraordinary Gutenberg Museum, home to one of the surviving original Bibles. The Romanesque cathedral of St. Martin, built over a millennium from the year 975, anchors a charming old town of wine taverns and market squares where Rhenish Rieslings flow freely. Visit between spring and autumn for the famous Mainz Wine Market held beside the Rhine. A day-cruise port with surprising cultural depth.

Rüdesheim am Rhein, a jewel of the UNESCO-listed Upper Middle Rhine Valley, is where Germany's most storied wine river cuts through vine-terraced slopes and medieval castle ruins. The pedestrianised Drosselgasse laneway — beloved since the Romantic era — hums with wine taverns pouring the region's celebrated Rieslings, crisp and mineral from the slate soils. The Niederwald Monument surveys the river from the heights, reached by cable car above the vineyards. Day trips by boat unlock Bacharach, Boppard, and the legendary Lorelei rock. September's harvest festivals transform the entire valley into a convivial celebration of the vintage.

Cologne's twin-spired Gothic cathedral, six hundred years in the building and still the city's defining monument, is the inevitable starting point — but this ancient Rhine city rewards exploration well beyond its iconic silhouette. The Romano-Germanic Museum reveals the city's Roman foundations, while the Chocolate Museum on the riverbank offers a distinctly sweeter history lesson. Cologne's famed Kölsch beer culture thrives in the old town's traditional brew-houses, where one round follows another in centuries-old wooden halls. The city is welcoming year-round, though the legendary Christmas markets (November–December) attract visitors from across Europe.

Grein, a picturesque port on the Danube River in Upper Austria, is known for its stunning architecture and rich history dating back to the 13th century. Must-do experiences include savoring local dishes like Greiner Knödel and visiting nearby attractions such as Dürnstein and Linz. The best season to visit is spring, when the landscape bursts into bloom and local festivities abound.

Amsterdam's UNESCO-listed canal ring — a concentric web of seventeenth-century merchant houses and arching stone bridges — remains one of the Western world's most perfectly preserved Golden Age cityscapes, best explored by bicycle or canal boat at a pace that lets the city's genius reveal itself slowly. The Rijksmuseum's collection of Rembrandt and Vermeer masterpieces is essential, while the Anne Frank House offers one of Europe's most profoundly moving historical encounters. Spring brings the iconic tulip season; summer fills the terraces of the Jordaan district. Schiphol Airport makes Amsterdam a seamless gateway to the entire European continent.

Austria's third city has accomplished one of Europe's most convincing urban transformations — reinventing itself from industrial centre to cultural powerhouse, a journey recognised in 2009 when it was named European Capital of Culture. The Ars Electronica Center, a museum of digital art and technology that glows with LED light across the Danube each evening, epitomises Linz's forward-looking identity. Yet the city's Roman roots, its baroque Hauptplatz (one of Austria's finest main squares), and its proximity to the Wachau Valley anchor it firmly in history. The Upper Austrian cuisine — particularly Linzer Torte, the world's oldest-documented cake recipe — is exceptional. Linz is most agreeable May through September.

Schlögen, Austria, is a charming port town known for its breathtaking views along the Danube River and rich historical significance. Must-do experiences include savoring traditional dishes like Wiener Schnitzel and exploring nearby attractions such as Vienna and Dürnstein. The best season to visit is during the spring and summer months when the landscapes are vibrant and the local festivals are in full swing.