Researching snowy locations found a few gems so worth doing a search on snowy landscapes / winter scenes such as

https://edition.cnn.com/travel/article/finland-lapland/index.html

https://www.pinterest.com/duggan1031/fantasy-settings/

(also has good non-winter ones)

https://www.literacyshed.com/the-images-shed.html (winter scene items at top, others on page)

With the likely balance of power in the last one I think I'd want to be one of the dragons at the back!

Some REALLY neat ideas here, and the 'slightly unusual/alternative/radical/eccentric.... ' community could be adapted for various options here for any setting where where people live is relevant which I imagine is most if not all of them.

And actual treehouses (slightly Myst-esque)

https://www.bbc.co.uk/bbcthree/article/f6a0dc30-dea0-4f64-a7c9-2d79920b4ba9