06. Rotterdam, Netherlands
Both Amsterdam and Rotterdam cities have the same GDP, although Amsterdam is the second-largest city in the country.
The city should be in your “a must-visit city” while you tour Europe. It has an uncountable number of places and fun activities that you can do to treat yourself. You may decide to try their delicacies, visit Museum Boijmans Van Beuningen or even indulge yourself in high fashion shopping.
