1. Rhine River - great way to see the heart of Europe without having to navigate train stations and taxis. Cruise operator :Viking River Cruises

2. Danube River - 12-day cruise starts in Passau, Germany, winding its way across six European countries before ending in Budapest. Cruise operator: Blue Water Holidays

3. Dnieper River - 17 days traveling from Kiev to Istanbul, including the Black Sea, Sevastopol and Constanta.. Cruise operator: Brendan Worldwide Vacations

4. Rhone River - nine days to capture the essence of the Rhone Valley. Meander through Avignon, go wine tasting and check out Lyon. Cruise operator: Euro River Cruises

5. Guadalquivir River – cruise through Spain`s Andalucia region visiting Seville and Jerez. Cruise operator: Euro River Cruises

6. Douro River – 8 days through Northern Spain and Portugal and visit Porto Cruise operator: Blue Water Holidays

7. Po River – 5 nights through Northern Italy capturing the mysterious romance of Venice Cruise operator: Blue Water Holidays

8. Volga River – 13 days in the longest river of Europe through Russia Cruise operator: Russian Royal Riverways

9. Elbe River – 12 days starting in Berlin, through Eastern Germany and into the Czech Republic Cruise operator: Viking River Cruises

10. Gota Canal – 6 days through Sweden from Gothenberg to Stockholm Cruise operator: Euro River Cruises