On this Polish postcard you see Wroclaw. The pictures show the University, Market place historical old market houses, Tumski Bridge, Old Town Hall, Hall of the Century, Cathedral and a view in Ostrow Tumski.
Those are the Manido Falls in the Porcupine Mountains Wilderness State Park in Michigan. This card was sent to me by someone going there for their vacation. I always feel so special when I get a card from someone's holiday!
This is Newburyport in Massachusetts, USA. Located only a few miles from the New Hampshire border and beautiful local beaches, it was once a wealthy seaport and still maintains the historic Market Square shopping district.