Mekong Discovery (Southbound)

Bucharest, Romania's sprawling and magnificently contradictory capital, layers Belle Époque mansions, communist-era boulevards, and a furiously creative twenty-first-century scene into a city that rewards the curious traveler who looks beyond the obvious. Ceaușescu's colossal Palace of the Parliament — the world's heaviest building and a monument to totalitarian hubris — is unmissable; equally essential is the neighborhood of Floreasca, where design studios, natural wine bars, and acclaimed restaurants have made Bucharest one of Europe's most exciting emerging food capitals. Visit April through June for the most pleasant weather. Transylvania, with Bran Castle and the medieval city of Brașov, lies two hours north through dramatic Carpathian scenery.

Kampong Tralach, Cambodia is a distinctive port city where deep cultural heritage meets authentic local atmosphere, featured on itineraries by AmaWaterways. Must-do experiences include exploring the vibrant local markets for regional specialties and fresh seafood, and discovering the waterfront quarter where maritime heritage meets contemporary energy. The optimal time to visit is November through April, when dry season brings clear skies and calm seas.

Ruse, Bulgaria's elegant Danube gateway, surprises with a Belle Époque city centre of Austro-Hungarian grandeur — neoclassical facades, ornate fountains, and a Liberty Monument that would not look out of place in Vienna. The city serves as the gateway to the spectacular Rusenski Lom Nature Park, whose limestone canyon shelters medieval rock-carved monasteries of eerie beauty. The remarkable Basarbovo Monastery, still inhabited by monks, clings to cliffs above the turquoise river. Local wineries produce distinguished Mavrud and Cabernet from the nearby Danube plains. May through September offers the most pleasant temperatures for exploration.

Phnom Penh rises from the confluence of the Mekong, Tonlé Sap, and Bassac rivers with a resilience that makes it one of Southeast Asia's most affecting capitals — a city that endured the Khmer Rouge's "Year Zero" and has re-emerged as a place of broad riverfront boulevards, excellent Khmer cuisine, and a cultural energy that feels earned rather than manufactured. The Royal Palace and its Silver Pagoda, housing a life-size gold Buddha studded with 9,584 diamonds, is the city's architectural centrepiece; the Tuol Sleng Genocide Museum, a former high school converted to a prison by the Khmer Rouge, is sobering but essential history. November through February offers the most comfortable climate for extended exploration.

Vidin is a captivating port town on the Danube River known for its rich history, eclectic architecture, and vibrant local culture. Must-do experiences include exploring the Baba Vida Fortress and savoring local dishes like **kavarma** and **lutenitsa**. The best time to visit is during the spring and autumn months when the weather is pleasant and the local markets are bustling with activity.

Donji Milanovac is a tranquil Serbian town on the banks of Lake Đerdap, nestled within the dramatic Iron Gates gorge of the Danube and surrounded by pristine national parkland. Visitors should not miss the Lepenski Vir archaeological site, home to seven-thousand-year-old Mesolithic sculptures, and the restored medieval fortress at nearby Golubac. The ideal time to cruise through the Iron Gates is from late May through September, when long daylight hours illuminate the gorge walls and riverside terraces invite lingering over fresh riblja čorba and local šljivovica.

Long Khánh is southern Vietnam's tropical fruit capital, set in volcanic red-earth highlands known for durian, rambutan, and mangosteen orchards. Essential experiences include visiting pick-your-own fruit farms, tasting bún riêu noodle soup, and excursions to Cát Tiên National Park's ancient forests. May through August is peak fruit season for the most spectacular tastings.

Belgrade, the 'White City' rebuilt at least forty times at the confluence of the Danube and Sava rivers, surprises every visitor with its raw, uncurated vitality — a capital that wears its turbulent history lightly while embracing the present with irresistible energy. The Kalemegdan Fortress, fortified for over two thousand years, offers the most dramatic river panorama on the entire Danube; below it, the Skadarlija cobblestone quarter fills nightly with kafana musicians and the aromas of Serbian rakija and roasted meats. Belgrade's nightlife — centered on the floating river clubs called splavovi — is genuinely legendary in Europe. Spring and early autumn offer the most comfortable conditions; the Iron Gate gorge is two hours downstream by river.

Novi Sad — the "Serbian Athens" — unfolds along the left bank of the Danube beneath the commanding walls of the Petrovaradin Fortress, a Habsburg military masterpiece whose underground tunnel labyrinth and hilltop clock tower (with hands reversed, to confuse enemy gunners) make for one of Europe's most unusual fortress visits. The city's elegant pedestrian street, the Zmaj Jovina, is lined with 19th-century Habsburg architecture that rewards a leisurely afternoon, while the Serbian cultural renaissance of the same era left behind museums, galleries, and coffee house traditions that endure today. In July, the EXIT music festival transforms the fortress into one of Europe's most storied outdoor stages. Visit May through September for the finest weather.

Ilok, a historical port in Croatia, enchants visitors with its medieval architecture, serene riverfront, and vibrant local culture. Must-do experiences include savoring traditional dishes like "čobanac" and sampling the exquisite local wine, "Traminac." The best time to visit is during the late spring or early fall, when the weather is pleasant and the vineyards are lush.