I was over in East Berlin 20 something years ago shortly after the wall fell, the difference between it and West Berlin was astounding. You could still see the bullet divots plain as day in the building corners where soldiers must of been hiding from enemy fire, very eerie. Here's a cool site where they've merged pics from then and now around the different theaters from WWII:
9 Haunting Then-And-Now Photos Of World War II Europe
Sorry, I'm a World War II Buff, Very interesting stuff then and now in regards to how it has affected modern events.