What is the longest river in Europe?

The River Thames flows through which capital city in the United Kingdom?

The Danube, the second-longest river in Europe, flows through how many European capital cities?

Which river forms the natural border between much of Germany and Poland?

The Rhine, one of Europe's most commercially important rivers, begins in which country?

What is the name of the river that flows through Paris?

The Danube empties into which body of water?

What is the name of the river that flows through Rome?

The Volga River is the longest river in Europe and flows entirely within which country?

Which European river is most closely associated with wine production, with famous wine regions lining both banks through Germany?