4 — Paris
It is clear that Paris is popular among people as a hot spot for fashion and for having many of the world's most prominent fashion boutiques. It is also known for having a few of the most historic sites around Europe. People who haven't seen the Eiffel Tower, the Lourve or the Champs-Elysees yet owe it to themselves to check out these spots for themselves. Best of all, Paris is an amazingly beautiful place to visit at any time of the year.
3 — Basel
The Swiss city of Basel is home to the Dollhouse Museum, a massive collection of dolls from all corners of the world and from many periods of time in history. It is also popular for being a spot for high-end fashion shopping with many major boutiques located all around the city. Of course, people should not forget about the many watchmaking sites and chocolate shops that can be found in Basel. These are two things that Switzerland is especially famous for.
2 — Amsterdam
Amsterdam is known for being a hot spot where anything can happen. Naturally, people know it for being a real party destination, but it is also a home to many important museums like the Van Gogh Museum, Anne Frank House and Rembrandt Museum. The unique buildings and architectural wonders of Amsterdam especially make this city a popular spot among tourists who come out to the region.