The Nolet mill (also known as the Nolet) to the main streets in the Dutch town of Schiedam is the highest of the six Schiedamse Mills (42.5 m and including the aerodynamic wings even 55 metres) and, therefore, the highest in the world.
http://virtualglobetrotting.com/map/windmill-7/
http://www.molendatabase.nl/nederland/molen.php?nummer=1280