Look at this one. Have you ever seen one of those in a department store?
There are interesting sweaters on Etsy (this one is vintage).
But recently a man, Sam Barsky, has become something of an internet sensation. He has knit 103 sweaters, many of them depicting locations he's visited. And according to the interview I saw, he doesn't even make a pattern. He just knits these amazing creations. Take a look: