There are several listed in this article that I'd like to take myself.
https://www.msn.com/en-us/travel/news/the-most-beautiful-winter-train-routes-in-north-america/ss-BBS0tAn?ocid=spartanntp#image=1
https://www.msn.com/en-us/travel/news/the-most-beautiful-winter-train-routes-in-north-america/ss-BBS0tAn?ocid=spartanntp#image=1