National Train Day will be celebrated in Fort Worth and Dallas this weekend with educational events. They include the chance to view big locomotives and model train displays, and to talk with train operators and staff and model railroaders. You can take a round-trip ride on the Trinity Railway Express, or watch the Amtrak, TRE and DART Rail trains in action. There will also be free entertainment, balloon art, face-painting and food and drink vendors. Find the complete event schedule online.