I really like all the narrow, secretive little streets and laneways scattered around. Some of which can be quite hidden, often haphazardly built, or even pedestrian only.
Bright St. is probably the cutest:
Or just a good ol' leafy Victorian:
Or in a completely different and more specific way, maybe Avenue Rd. north & south of St. Clair, with its grand pre-war apartments and elegant mid-century towers on a hill leading down into the core: