L'Inconnu de Shandigor (Jean-Louis Roy 1967)
This is a slide show of distinctive buildings used in L'Inconnu de Shandigor, one of the two foundational films of the Swiss New Wave (for the other see here):
Among the images below are some of buildings in this film that I still need to identify (my thanks to Maurice Lovisa and Geneva's Service des Monuments et des Sites for identifying the citernes, cimetière, tours and the the Neue Gewerbeschule in Basle).