There is so much to see and do in Banff in winter. Start with Banff Avenue, the mountain town is all decorated and lit up for Christmas.
For those who love green dancing lights aka Aurora Borealis, you won’t be disappointed in Yukon. Stargazing is one of the prime attractions in the territory, and Watson Lake is the place to be in.
One of my favorite things to do in Toronto winters is to visit an European style Christkindlmarkt aka Christmas markets of German origin
Laced with European nuances, Montreal will delight you with festive events, winter sports, and unique shopping areas.
The Niagara Falls turns into a winter wonderland of sorts from December. The little town as the Falls viewing areas are all dusted (and covered by the end of December/January) in snow.
Visiting Churchill Manitoba in the winters is like experiencing a page from your travel bucket list journal. It is one of the best places in the world to see polar bears in their natural habitat.