Active & Discovery on the Danube with 2 Nights in Prague (Westbound)

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.

Arles, the most important city in Roman Gaul after Lyon, wears its history with casual magnificence: a first-century amphitheatre still hosts bullfights beneath open skies, and the haunting Alyscamps necropolis — once among the most prestigious burial grounds in the Western world — lines a poplar-shaded avenue with ancient sarcophagi. Yet Arles is equally celebrated as the city that intoxicated Vincent van Gogh, who produced over three hundred works here in fifteen fevered months; the Fondation Vincent van Gogh now honors his legacy in beautifully renovated rooms. Spring and autumn are ideal, with the Camargue's flamingo-filled wetlands just minutes south. Lyon is two hours north by TGV.

Port-Saint-Louis-du-Rhône marks where France's great river meets the Mediterranean at the edge of the Camargue — Europe's wildest wetland, where white horses, black bulls, and improbable pink flamingos inhabit salt marshes and lagoons. Visit April through June via Avalon Waterways' Rhône itineraries for flamingo breeding season, proximity to Van Gogh's Arles, and the medieval fortress-city of Aigues-Mortes.

Arles, the most important city in Roman Gaul after Lyon, wears its history with casual magnificence: a first-century amphitheatre still hosts bullfights beneath open skies, and the haunting Alyscamps necropolis — once among the most prestigious burial grounds in the Western world — lines a poplar-shaded avenue with ancient sarcophagi. Yet Arles is equally celebrated as the city that intoxicated Vincent van Gogh, who produced over three hundred works here in fifteen fevered months; the Fondation Vincent van Gogh now honors his legacy in beautifully renovated rooms. Spring and autumn are ideal, with the Camargue's flamingo-filled wetlands just minutes south. Lyon is two hours north by TGV.

Avignon's Palais des Papes — a fortress-palace of staggering medieval ambition where seven successive popes held court for seventy years — still dominates this Provençal city's skyline, its limestone bulk enclosing frescoed chapels and vast ceremonial halls that once shaped the destiny of Christendom. In July, the city transforms for the celebrated Festival d'Avignon, Europe's premier theatre gathering, turning every courtyard and cloister into a stage. Year-round, the beautifully preserved historic centre offers world-class Rhône Valley wines, refined Provençal cuisine, and the beguiling spectacle of the Pont Saint-Bénézet stretching halfway across the river. Lyon and Marseille are each accessible in under ninety minutes by TGV.

Viviers is one of France's most beautifully preserved medieval secrets — a cathedral town of barely four thousand souls perched on a limestone spur above the Rhône, serving as an episcopal seat since the fifth century when its bishops chose this formidable rock over the declining Roman city below. The Romanesque bell tower, vaulted passageways, and Renaissance townhouses of the haute ville form an ensemble of extraordinary architectural coherence, virtually unaltered since the seventeenth century. River cruise guests arriving from Lyon or Avignon typically spend languid afternoons exploring these narrow, time-suspended streets, best visited in spring or early autumn when Rhône Valley light is at its most golden.

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.

Tournon-sur-Rhône is a captivating port town steeped in history, known for its medieval architecture and vibrant culinary scene. Must-do experiences include savoring local specialties such as caillettes and exploring the bustling Saturday market. The best time to visit is in the late spring or early fall when the weather is mild and the local festivities are in full swing.

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.

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.

Lyon sits at the confluence of the Rhône and the Saône — a geographic destiny that made it the capital of Roman Gaul, a Renaissance silk-trading powerhouse, and, by contemporary consensus, the undisputed gastronomic capital of France. The UNESCO-listed Vieux Lyon preserves Europe's finest concentration of Renaissance architecture, its labyrinthine traboules — secret passageways threading through courtyard after courtyard — offering endless discovery. Paul Bocuse's legacy lives on in the city's constellation of bouchons, where quenelles de brochet and tablier de sapeur are served with the straightforward confidence of a city that has never needed to prove its culinary supremacy. Lyon rewards a visit in any season, with the Festival of Lights in December being particularly magical.

Vilshofen an der Donau is a handsome Bavarian river town where three streams converge with the Danube, its medieval market charter and Gothic Stadtturm bearing witness to eight centuries of river trade prosperity — though its most joyful claim to fame is the boisterous Vilshofen Volksfest, Bavaria's second-largest folk festival after Oktoberfest, held each June. The pastel-painted baroque townhouses and arcaded courtyards of the compact old town make for an idyllic Danube-side stroll, while the surrounding farmland and rolling hills of Lower Bavaria offer cycling routes of pastoral serenity. Summer brings the festival season; spring and autumn lend the Danube Valley its most golden and peaceful character.