One of the more recognizable cities of Poland is Gdansk (among Krakow and Warsaw of course). Gdansk's history is mixed a lot with Germany as it was changing sides several times, including long period of being a 'free city' of its own (profiting from taxes from both Poland and Germany :-D).
The main trade mark of the city was always the port. In middle age times it was one of the biggest in Europe. And a game changer was the crane! Capable of loading/unloading cargo ships up to uncommon at that time tonage, made a lot of trade routes to pass from Gdansk rather than any other nearby port. Today the crane is probably the most recognizable spots in the city and of course a must see for any tourist. As I am one, I did visit the place :-D
Photo: Nikon FM2 + Tamron Adaptall-2 28mm f/2.8, Fuji Superia Color 200