Board your ship in Luxembourg for your Europe’s Rivers & Castles cruise. (B,D)

Trier is Germany’s oldest city, renowned for its rich ancient Roman past, and referred to as the “Rome of the North” or “Second Rome” as it has impressive Roman relics and nine UNESCO World Heritage Sites. Join a guided tour of the city, including the old Roman amphitheater, Roman Baths and Basilica of Constantine. Alternatively, go in search of the secrets of the Porta Nigra Gate, dating back to 180 A.D., on a tour that takes you back to a time when Rome ruled the world from the Emperor’s seat in Trier. You also have the choice of a hike high above Trier to Petrisberg. Later in the day, sail to Bernkastel. Walk through its colorful Old Town center and past many medieval and Renaissance buildings on a guided tour that also includes a winery visit and tasting. Those seeking an active adventure can opt to trek up to the ruins of Landshut Castle, which dates all the way back to the 9th century. (B,L,D)

Head to fairytale Cochem and visit the Reichsburg Castle followed by a walking tour. As an alternative, visit one of Europe’s oldest working mustard mills where you will sample Cochem’s famous mustard. Or, enjoy a guided walking tour of Koblenz, a historic town located at the northern end of the Rhine Gorge where you will visit the town’s famous Clock Tower. Later in the day, set sail for Rüdesheim, where you can visit Siegfried’s Mechanical Musical Instrument Museum, or enjoy the town’s iconic Rüdesheimer coffee, served ceremoniously with whipped cream and brandy. (B,L,D)

Drink up the stunning views by soaring high above the vineyards with a gondola ride to the Niederwalddenkmal Statue or allow yourself to be treated to a wine tasting. For a more active adventure, hike through the town’s beautiful vineyards above the Rhine River. As an alternative, head to the confluence of the Rhine and Main Rivers to Mainz, where you’ll enjoy a walking tour of its Old Town, brimming with quaint narrow streets, Baroque churches and half-timbered houses. You’ll also have a chance to visit the Collegiate Church of St. Stephan, best known for its blue Chagall windows. (B,L,D)

Wertheim’s old town center still features half-timbered houses and the Gothic architecture of the Stiftskirche, its oldest Protestant church. You may either join a guided walking tour through the historic city center or learn the art of pretzel making with a visit to a local bakery. For those seeking a more active adventure, take a scenic bike ride through the Main River Valley or hike high above the town for a visit to the castle, one of the most picturesque ruins in Germany. (B,L,D)

Enjoy a city tour of Würzburg, bursting with Baroque splendor. Or visit Würzburg’s Baroque Residenz Palace, a UNESCO World Heritage Site that features an opulent interior, including a grand fresco by Tiepolo. Or stretch your legs while hiking to Würzburg Castle. Alternately, go on a full-day excursion to Rothenburg, Germany’s best-preserved walled town located on the Romantic Road. (B,L,D)

Head to Bamberg, which has been referred to as “Franconian Rome” as, like Rome, it was built on seven hills—but in Bamberg, a church graces each one. Bamberg’s medieval and Baroque architecture has withstood the test of time and, as such, became a UNESCO World Heritage Site. Join a guided walking tour of this medieval gem where you’ll see its cathedral, Old Town Hall and elegant old mansions, and afterwards, indulge in the town’s famous smoked beer, Rauchbier. Or, indulge in the culinary specialties of Bamberg, including licorice root, Hornla pastries, traditional German sausage and smoked beer. As a more invigorating alternative, pedal from Eltmann to Bamberg, meeting the ship there later in the day. (B,L,D)

Bid farewell to the ship in Nuremberg as you prepare for your return flight home. (B)

Arrive in Paris and check-in to your hotel. The remainder of the day is at your leisure. Walk through the city’s enchanting streets, drop by a charming sidewalk café or visit one of many world-class museums.

Enjoy a tour of Paris, taking in all its iconic sites, including the Eiffel Tower, the Arc de Triomphe, the Champs-Élysées and Place de la Concorde. You’ll pass the magnificent Opéra Garnier, the legendary Louvre and, on the Left Bank, the Sorbonne University and the Panthéon. (B)

Enjoy an evening visit to Montmartre, long known as the city’s premier artist’s enclave. During the mid to late 1800s, artists also began calling Montmartre home. Pissarro and Jongkind were two of the first to live there. For easy access to Montmartre, you’ll hop aboard the funicular railroad that ascends the hill. Montmartre’s most recognizable landmark is the Basilica du Sacré-Coeur, constructed from 1876 to 1912. The white dome of this Roman Catholic basilica sits at the highest point in the city. After your visit to Montmartre, you’ll be taken on an illumination tour, discovering why Paris is renowned as the “City of Light.” (B)

Check out of your Paris hotel and board your high-speed train to Luxembourg. There you will join a walking tour of the Grand Duchy where you will see the Centre Européen and Place d’Armes before boarding your ship in Luxembourg. (B,D)

Trier is Germany’s oldest city, renowned for its rich ancient Roman past, and referred to as the “Rome of the North” or “Second Rome” as it has impressive Roman relics and nine UNESCO World Heritage Sites. Join a guided tour of the city, including the old Roman amphitheater, Roman Baths and Basilica of Constantine. Alternatively, go in search of the secrets of the Porta Nigra Gate, dating back to 180 A.D., on a tour that takes you back to a time when Rome ruled the world from the Emperor’s seat in Trier. You also have the choice of a hike high above Trier to Petrisberg. Later in the day, sail to Bernkastel. Walk through its colorful Old Town center and past many medieval and Renaissance buildings on a guided tour that also includes a winery visit and tasting. Those seeking an active adventure can opt to trek up to the ruins of Landshut Castle, which dates all the way back to the 9th century. (B,L,D)

Head to fairytale Cochem and visit the Reichsburg Castle followed by a walking tour. As an alternative, visit one of Europe’s oldest working mustard mills where you will sample Cochem’s famous mustard. Or, enjoy a guided walking tour of Koblenz, a historic town located at the northern end of the Rhine Gorge where you will visit the town’s famous Clock Tower. Later in the day, set sail for Rüdesheim, where you can visit Siegfried’s Mechanical Musical Instrument Museum, or enjoy the town’s iconic Rüdesheimer coffee, served ceremoniously with whipped cream and brandy. (B,L,D)

Drink up the stunning views by soaring high above the vineyards with a gondola ride to the Niederwalddenkmal Statue or allow yourself to be treated to a wine tasting. For a more active adventure, hike through the town’s beautiful vineyards above the Rhine River. As an alternative, head to the confluence of the Rhine and Main Rivers to Mainz, where you’ll enjoy a walking tour of its Old Town, brimming with quaint narrow streets, Baroque churches and half-timbered houses. You’ll also have a chance to visit the Collegiate Church of St. Stephan, best known for its blue Chagall windows. (B,L,D)

Wertheim’s old town center still features half-timbered houses and the Gothic architecture of the Stiftskirche, its oldest Protestant church. You may either join a guided walking tour through the historic city center or learn the art of pretzel making with a visit to a local bakery. For those seeking a more active adventure, take a scenic bike ride through the Main River Valley or hike high above the town for a visit to the castle, one of the most picturesque ruins in Germany. (B,L,D)

Enjoy a city tour of Würzburg, bursting with Baroque splendor. Or visit Würzburg’s Baroque Residenz Palace, a UNESCO World Heritage Site that features an opulent interior, including a grand fresco by Tiepolo. Or stretch your legs while hiking to Würzburg Castle. Alternately, go on a full-day excursion to Rothenburg, Germany’s best-preserved walled town located on the Romantic Road. (B,L,D)

Head to Bamberg, which has been referred to as “Franconian Rome” as, like Rome, it was built on seven hills—but in Bamberg, a church graces each one. Bamberg’s medieval and Baroque architecture has withstood the test of time and, as such, became a UNESCO World Heritage Site. Join a guided walking tour of this medieval gem where you’ll see its cathedral, Old Town Hall and elegant old mansions, and afterwards, indulge in the town’s famous smoked beer, Rauchbier. Or, indulge in the culinary specialties of Bamberg, including licorice root, Hornla pastries, traditional German sausage and smoked beer. As a more invigorating alternative, pedal from Eltmann to Bamberg, meeting the ship there later in the day. (B,L,D)

Disembark the ship in Nuremberg and enjoy a city tour before transferring to Prague, where you will check into your hotel. (B)

Discover fairytale Prague via a city tour or a hike to the castle. Both will reveal why Prague is considered one of Europe’s most attractive and vibrant cities, with a historic city center that’s recognized as a UNESCO World Heritage Site. (B)

Beer has a long and illustrious history in the Czech Republic, so join a tasting and discover some of the very best beer in the world. (B)

Bid farewell to Prague as you prepare for your journey home.

Arrive in Paris and check into your hotel.

Begin your day by transferring to Reims in the Champagne region of France. You will then enjoy a highlights tour of historic WWI sites in Reims, including the Belleau Wood American WWI monument. Afterwards, join a guided tour through the city of Reims. Known as the unofficial capital of champagne, Reims is home to the 13th-century Gothic cathedral, Notre Dame de Reims, and many impressive wine cellars. (B)

Explore the history behind the drink of celebration as you enjoy a scenic drive on the Routes des Champagnes. You will see some of the famous Champagne houses such as Epernay, Hautvillers and Champagne makers of Veuve-Clicquot and Moet et Chandon. (B)

Bid au revoir to Reims as you board a bus that will whisk you away to Luxembourg, one of Europe’s last independent duchies. Enjoy a guided walking tour as well as a stop at the American Cemetery and Memorial, the final resting place of General George Patton. Enjoy free time for lunch at your own leisure before boarding your luxury ship in Wasserbillig. (B,D)

Trier is Germany’s oldest city, renowned for its rich ancient Roman past, and referred to as the “Rome of the North” or “Second Rome” as it has impressive Roman relics and nine UNESCO World Heritage Sites. Join a guided tour of the city, including the old Roman amphitheater, Roman Baths and Basilica of Constantine. Alternatively, go in search of the secrets of the Porta Nigra Gate, dating back to 180 A.D., on a tour that takes you back to a time when Rome ruled the world from the Emperor’s seat in Trier. You also have the choice of a hike high above Trier to Petrisberg. Later in the day, sail to Bernkastel. Walk through its colorful Old Town center and past many medieval and Renaissance buildings on a guided tour that also includes a winery visit and tasting. Those seeking an active adventure can opt to trek up to the ruins of Landshut Castle, which dates all the way back to the 9th century. (B,L,D)

Head to fairytale Cochem and visit the Reichsburg Castle followed by a walking tour. As an alternative, visit one of Europe’s oldest working mustard mills where you will sample Cochem’s famous mustard. Or, enjoy a guided walking tour of Koblenz, a historic town located at the northern end of the Rhine Gorge where you will visit the town’s famous Clock Tower. Later in the day, set sail for Rüdesheim, where you can visit Siegfried’s Mechanical Musical Instrument Museum, or enjoy the town’s iconic Rüdesheimer coffee, served ceremoniously with whipped cream and brandy. (B,L,D)

Drink up the stunning views by soaring high above the vineyards with a gondola ride to the Niederwalddenkmal Statue or allow yourself to be treated to a wine tasting. For a more active adventure, hike through the town’s beautiful vineyards above the Rhine River. As an alternative, head to the confluence of the Rhine and Main Rivers to Mainz, where you’ll enjoy a walking tour of its Old Town, brimming with quaint narrow streets, Baroque churches and half-timbered houses. You’ll also have a chance to visit the Collegiate Church of St. Stephan, best known for its blue Chagall windows. (B,L,D)

Wertheim’s old town center still features half-timbered houses and the Gothic architecture of the Stiftskirche, its oldest Protestant church. You may either join a guided walking tour through the historic city center or learn the art of pretzel making with a visit to a local bakery. For those seeking a more active adventure, take a scenic bike ride through the Main River Valley or hike high above the town for a visit to the castle, one of the most picturesque ruins in Germany. (B,L,D)

Enjoy a city tour of Würzburg, bursting with Baroque splendor. Or visit Würzburg’s Baroque Residenz Palace, a UNESCO World Heritage Site that features an opulent interior, including a grand fresco by Tiepolo. Or stretch your legs while hiking to Würzburg Castle. Alternately, go on a full-day excursion to Rothenburg, Germany’s best-preserved walled town located on the Romantic Road. (B,L,D)

Head to Bamberg, which has been referred to as “Franconian Rome” as, like Rome, it was built on seven hills—but in Bamberg, a church graces each one. Bamberg’s medieval and Baroque architecture has withstood the test of time and, as such, became a UNESCO World Heritage Site. Join a guided walking tour of this medieval gem where you’ll see its cathedral, Old Town Hall and elegant old mansions, and afterwards, indulge in the town’s famous smoked beer, Rauchbier. Or, indulge in the culinary specialties of Bamberg, including licorice root, Hornla pastries, traditional German sausage and smoked beer. As a more invigorating alternative, pedal from Eltmann to Bamberg, meeting the ship there later in the day. (B,L,D)

Disembark the ship in Nuremberg and enjoy a city tour before transferring to Prague, where you will check into your hotel. (B)

Discover fairytale Prague via a city tour or a hike to the castle. Both will reveal why Prague is considered one of Europe’s most attractive and vibrant cities, with a historic city center that’s recognized as a UNESCO World Heritage Site. (B)

Beer has a long and illustrious history in the Czech Republic, so join a tasting and discover some of the very best beer in the world. (B)

Bid farewell to Prague as you prepare for your journey home.