Here is a small building in a neighbourhood in Halifax that I've always found interesting and unique:
(photo is mine)
There are a lot of little gems in that part of town. Another nice one is Benjamin Wier House:
http://www.flickr.com/photos/auvet/4...n/photostream/
Next door is Keith House. I hesitate to post this one because it's being restored and probably will look a lot nicer soon. The Keith Brewery (1820) is well-known but this 1860's mansion doesn't get a lot of attention:
http://www.gfduffusandco.ca/KH.htm