what's worth seeing in the northern part of the u s and a?

[Aaarg]

Well I do love cheese! I'll probably check out some gardens and stuff while in Portland, I don't know. I don't really like city things, too much. Do they have any decent museums out there?

Also I was considering Duluth because somebody I used to know lives there now, but then I looked at a map and figured that may be a bit too out of the way.