There is some debate about which town (or towns) Gaiman used to fill out the details of the village Shadow hid out in through the winter. Some of the front runners include Pelican Lake and Rice Lake, both small lakeside towns near the correct geographical area. source: http://arteriesofamerica.com/2011/07/04/american-gods-roadtrip/
It's a fine, blurred, and fuzzy little line that separates our nation's most-visited cultural sites from its trashy tourist traps. Of course, any "tourist trap" can be a "cultural site," depending on how you look at it.