ROANOKE, Va. (WDBJ) - Model trains and Christmas trees have been a part of Christmas traditions for decades. Some people put their train sets under the tree, while others put them inside the tree.

For many American families, Christmas isn’t Christmas without a tree decorated with lights, ornaments, tinsel – and an electric train circling merrily beneath. No one knows precisely when the train ...

Some build them in their basements. But Dick Shellenberg's train set takes up most of his backyard. The retired elementary school principal has turned model train conductor in the town of Corning.