If you can go to a glacier and walk on it - I'd drive farther, if you can (we were limited by the fact that it WAS a work trip, and we left a little early one day so we could go see Portage Glacier).
I was reminded of the BEST Halibut I ever had was at a Brewpub in Downtown Anchorage. MELTED IN MY MOUTH. I don't think it was Humpy's (I think it was something like --- oh heck, Google is my friend
http://www.glacierbrewhouse.com/home.htm)