The Netherlands has a rich variety of national parks, one of the largest being De Hoge Veluwe, which is best explored using the free-to-use white bicycles.
The Wadden Sea is the largest coastal tidal wetland in Europe and on the World Heritage List. It is possible to walk across the sea floor with a guided tour.
De Biesbosch in Noord-Brabant has a unique freshwater delta with around 8,000 hectares of streams.
Explore nature at night in Dark Sky Park, Lauwersmeer. There are only 41 of these parks in the world where darkness is protected to ensure minimal impact on nature.