There was a very good segment on the Alaska Railroad on "CBS Sunday Morning" last Sunday:
I was particularly fascinated, because earlier this year my wife and I had joined our daughter and her family on an NCL Alaska cruise. To board the cruise ship, we first flew into Anchorage (while there, we visited the museum shown in the video, which had a really wonderful exhibit on the 100 year history of the ARR, including this roughly N scale model of an ARR switching yard:
and then took the Alaska Railroad itself down to the port of Seward:
From the segment, it sounds like we should have made time to take the same train north to the end of the line as well!
[While in Alaska, we also took the White Pass Railroad deep into the Yukon . . .
. . . but that's a story for another post!]