Paris, the city of Romance, the Eiffel Tower, the Tour de France, home of many beautiful Michelin Restaurants and the city is actually one bog open air museum. Therefore it is also one of the main tourist destinations of foreigners visiting Europe or even for Europeans.
But why to choose Paris in stead of Amsterdam or Rome? Well, Paris is bigger than Amsterdam and has more style and the level of tourists is not like the ones which goes for hookers, drugs and party. To compare with Rome, you compare the French and Italian culture. Just what you like. You prefer the croissant over the excellent coffee? You prefer the French arrogance over the Italian hospitality? The Italian Dolce Vita compared with the French Vive La France! Well, best to visit both the cities and compare yourself.