Question: which european countries to visit together?
Answer: Paris. What's more iconic than Paris, the city of light? ... 
London. London: it's big, sprawling, and busy. ... 
Rome. One of the oldest cities in Europe, Rome has developed well past ancient Roman roots and is now a bustling, vibrant Italian city. ... 
Madrid. ... 
Vienna. ... 
Munich. ... 
Prague. ... 
Berlin.