Rotterdam, Netherlands, is the best city for a sustainable vacation, according to a 2023 report from Kayak.
Rotterdam, Netherlands Amsterdam, Netherlands Graz, Austria Trondheim, Norway Munich, Germany Helsinki, Finland Stockholm, Sweden Zurich, Switzerland Gothenburg, Sweden Vienna, AustriaRotterdam and Amsterdam, both in the Netherlands, took the No.
The Netherlands city is the second-largest in the country and Europe's largest seaport.
The city, known as "the Venice of the North," is now a designated UNESCO World Heritage site, thanks to its iconic canal district.
The channels' design is considered an example of town planning that influenced the world for centuries, according to UNESCO.