One of the things that I love about Montreal are the spiral staircases that wind around many townhouses in the residential neighborhoods. They have the aura of a different time and place.
As beautiful as they look, though, they're quite treacherous in the winter. I've slipped twice in the rain and ice, and Mitya fell down our spiral staircase once when it was snowing. Our mail-lady even refused to go up our stairs to deliver the mail earlier this year, which resulted in this scandal!