Golubac is a village and municipality located in the Braničevo District of the eastern Serbia. Situated on the right side of the Danube river, it is bordered by Romania to the east, Veliko Gradište to the west and Kučevo to the south.

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.

Vukovar is a city in eastern Croatia. It contains Croatia’s largest river port, located at the confluence of the Vuka and the Danube. Vukovar is the seat of Vukovar-Syrmia County. The city’s registered population was 26,468 in the 2011 census, with a total of 27,683 in the municipality.

Batina is a port village on the right bank of the Danube in Baranja, Croatia. Its elevation is 105 m. Administratively, it is located in the Draž municipality within the Osijek-Baranja County.

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. Trinity Square is home to 13th-century Matthias Church and the turrets of the Fishermen’s Bastion, which offer sweeping views.

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. Trinity Square is home to 13th-century Matthias Church and the turrets of the Fishermen’s Bastion, which offer sweeping views.

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. Trinity Square is home to 13th-century Matthias Church and the turrets of the Fishermen’s Bastion, which offer sweeping views.

Get acquainted with Vienna’s treasure trove of imperial gems with a city tour or visit Prince Eugene’s Winter Palace. If you prefer to experience the city’s artistic gems,you can join an art tour, featuring a Gustav Klimt exhibit at the Belvedere.

Get acquainted with Vienna’s treasure trove of imperial gems with a city tour or visit Prince Eugene’s Winter Palace. If you prefer to experience the city’s artistic gems,you can join an art tour, featuring a Gustav Klimt exhibit at the Belvedere.

Weißenkirchen in der Wachau is a town in the district of Krems-Land in the Austrian state of Lower Austria. The ferry across the Danube here is interesting in that it has no motor or sail: it is powered by rudder set against the river current, anchored to a cable above the river.

Discover Passau with a variety of choices, either on an intimate walking tour, panoramic city tour or via a “Go Active” choice with a ride along one of the most beautiful stretches of the Danube and into the heart of Passau.

Discover Germany’s best-preserved medieval city on a walking tour; visit a Bavarian hops farm.

Nuremberg is the largest city of the German federal state of Bavaria after its capital Munich, and its 518,370 inhabitants make it the 14th-largest city in Germany.

City dwellers will wish to discover Bamberg—a UNESCO World Heritage Site, and country dwellers will wish to experience a Franconian village outing.

Art lovers will want to visit the Würzburg Residence, and fairytale lovers will want to go to Rothenburg and Weikersheim, where you can visit a grand palace.

Wertheim is a town in southwestern Germany, in the state of Baden-Württemberg with a population of around 23,400. It is located on the confluence of the rivers Tauber and Main. Wertheim is best known for its landmark castle and medieval town centre.

Get an overview of modern-day Frankfurt as well as its charming Old Town, or experience Frankfurt as a local.

Rüdesheim am Rhein is a town in the Rhine Valley, Germany. It’s known for winemaking, especially of Riesling wines. In the center, Drosselgasse is a lane lined with shops, taverns and restaurants. Nearby, Siegfried’s Mechanical Music Cabinet is a museum of automated musical instruments. Medieval Brömserburg Castle is home to the Rheingau Wine Museum, exhibiting wine paraphernalia from ancient times to the present.

You have an array of choices for how you wish to experience Cologne’s many treasures. Those interested in history and architecture can stroll with a local expert through Old Town to the city’s iconic UNESCO-listed Gothic Cologne Cathedral.

Delve into the glories of Amsterdam’s golden age: the doors to the Van Gogh museum open early just for you and your fellow passengers, and an art expert guides you through this remarkable collection (The Potato Eaters and Sunflowers are just two of its highlights), followed by one of two ways to experience the historic city. You may cruise the 400-year-old canals or stroll through the medieval Begijnhof, home to Amsterdam’s oldest wood houses, and visit the elegant 17th-century Van Loon mansion.