Oltenița is a city in Muntenia, Romania in the Călărași County on the left bank of the river Argeș where its waters flows into the Danube. Oltenița stands across the Danube from the Bulgarian city of Tutrakan.

Ruse, is the fifth largest city in Bulgaria. Ruse is in the northeastern part of the country, on the right bank of the Danube, opposite the Romanian city of Giurgiu, approximately 75 km south of Bucharest, Romania's capital, 200 km from the Bulgarian Black Sea Coast and 300 km from the capital Sofia.

Vidin is a port town on the southern bank of the Danube in north-western Bulgaria. It is close to the borders with Romania and Serbia, and is also the administrative centre of Vidin Province, as well as of the Metropolitan of Vidin.

Belgrade is the capital of the southeast European country of Serbia. Its most significant landmark is the Beogradska Tvrđava, an imposing fortress at the confluence of the Danube and the Sava rivers. The fort is a testament to the city’s strategic importance to the Roman, Byzantine, Ottoman, Serbian and Austrian empires, and it's now the site of several museums as well as Kalemegdan, a vast park.

Novi Sad is a city in northern Serbia on the banks of the Danube River. Standing atop a riverside bluff, much of Petrovaradin Fortress dates to the 17th and 18th centuries, with an iconic clock tower and a network of tunnels. Across the river is the old quarter, Stari Grad, site of the Gothic Revival Name of Mary Church and the neo-Renaissance City Hall.

Mohács is a town in Baranya county, Hungary on the right bank of the Danube.

Budapest, Hungary’s capital, is bisected by the River Danube. Its 19th-century Chain Bridge connects the hilly Buda district with flat Pest. A funicular runs up Castle Hill to Buda’s Old Town, where the Budapest History Museum traces city life from Roman times onward.

Budapest, Hungary’s capital, is bisected by the River Danube. Its 19th-century Chain Bridge connects the hilly Buda district with flat Pest. A funicular runs up Castle Hill to Buda’s Old Town, where the Budapest History Museum traces city life from Roman times onward.

Bratislava, the capital of Slovakia, is set along the Danube River by the border with Austria and Hungary. It’s surrounded by vineyards and the Little Carpathian mountains, crisscrossed with forested hiking and cycling trails. The pedestrian-only, 18th-century old town is known for its lively bars and cafes. Perched atop a hill, the reconstructed Bratislava Castle overlooks old town and the Danube.

Passau, a German city on the Austrian border, lies at the confluence of the Danube, Inn and Ilz rivers. Known as the Three Rivers City, it's overlooked by the Veste Oberhaus, a 13th-century hilltop fortress housing a city museum and observation tower. The old town below is known for its baroque architecture, including St. Stephen's Cathedral, featuring distinctive onion-domed towers and an organ with 17,974 pipes.

Regensburg, a Bavarian city on the Danube River in southeast Germany, is known for its well-preserved medieval core. The 12th-century Stone Bridge, a 310m-long icon with 16 arches, crosses the river to the old town. The 13th-century Regensburg Cathedral, a twin-spired Gothic landmark, is home to the Regensburger Domspatzen choir. Walhalla, a Parthenon replica just east of the city, honors illustrious Germans.

Bamberg is a town in northern Bavaria, Germany, laid out over 7 hills where the Regnitz and Main rivers meet. Its old town preserves structures from the 11th to 19th centuries including the muraled Altes Rathaus (town hall), which occupies an island in the Regnitz reached by arched bridges. The Romanesque Bamberg Cathedral, begun in the 11th century, features 4 towers and numerous stone carvings.

Würzburg is a city in Germany's Bavaria region. It's known for lavish baroque and rococo architecture, particularly the 18th-century Residenz palace, with ornate rooms, a huge fresco by Venetian artist Tiepolo and an elaborate staircase. Home to numerous wine bars, cellars and wineries, Würzburg is the center of the Franconian wine country, with its distinctive bocksbeutel (bottles with flattened round shapes).

Miltenberg is a town in the Regierungsbezirk of Lower Franconia in Bavaria, Germany. It is the seat of the like-named district and has a population of over 9,000.

Cologne, a 2,000-year-old city spanning the Rhine River in western Germany, is the region’s cultural hub. A landmark of High Gothic architecture set amid reconstructed old town, the twin-spired Cologne Cathedral is also known for its gilded medieval reliquary and sweeping river views. The adjacent Museum Ludwig showcases 20th-century art, including many masterpieces by Picasso, and the Romano-Germanic Museum houses Roman antiquities.

Amsterdam is the Netherlands’ capital, known for its artistic heritage, elaborate canal system and narrow houses with gabled facades, legacies of the city’s 17th-century Golden Age. Its Museum District houses the Van Gogh Museum, works by Rembrandt and Vermeer at the Rijksmuseum, and modern art at the Stedelijk.

Amsterdam is the Netherlands’ capital, known for its artistic heritage, elaborate canal system and narrow houses with gabled facades, legacies of the city’s 17th-century Golden Age. Its Museum District houses the Van Gogh Museum, works by Rembrandt and Vermeer at the Rijksmuseum, and modern art at the Stedelijk.