Gravensteen Castle, Ghent, Belgium was built in 1180 by count Philip of Alsace and was modeled after the crusaders castles that Philip of Alsace encountered while he participated in the second crusade.
29 Avenue Rapp in the arrondissement, Paris. Very close to the Eiffel Tower. Built in Art Nouveau masterpiece by Jules Lavirotte. The detailed door was designed by sculptor Jean-Baptiste Larrive with work carried out by others. Photo by W.