Al Welch, a retired engineer who worked in the nuclear field, still has a love of building things. He no longer designs nuclear stations. Instead, he works on little trains and rail lines. The 78-year ...

Dave Howie of McKerrow, Ont., has been building an N-scale model railway layout in his basement for five years. The latest addition is a replica of the now-idled pulp and paper mill in nearby Espanola ...