De Kat
Zaanstad, Netherlands · built 1696
De Kat is the only remaining working windmill in the world which produces paint. The mill is in the Zaanse Schans, Zaanstad. De Kat is an octagonal smock mill. Robbert Kempenaar has been the head miller of De Kat since 2007.
Windmill data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).