Hey Lore gods: I have a question. What kind of religious worship is there supposed to be in Skyrim (assuming that's where we're going next)?
Should we be expecting vast mountain side temples, small humble chapels or hidden wilderness shrines?

Animism and polytheism.

http://www.imperial-library.info/content/nords-lack-creation-myth

I don't know about the settled nords. The skaald kept (hidden) wilderness shrines.