The design-obsessed crew from OObject have put together a list of the best modernist gas stations. Mies Van der Rohe and Willem Dudok and Jean Prouve, oh my! Fill up on some great architecture. [OObject]
I saw an article in Classic and Sports Car a few months ago regarding the city of Asmara, in Eritrea (that's East Africa for the geographically challenge) During the Italian occupation in the mid 30's, they built some stunning Art Deco/Modernist buildings. Much of it remains today.