heidrick antique ag collection, the world's largest and most unique collection of one-of-a-kind antiquel equipment, and the hays antique truck museum, also recognized as the largest of its kind in the world. but this is much more than old trucks and farm implements. at the center, much history is shared through interactive exhibits, entertaining events, and stories told by people like lonnie wunder. >> fred heidrick was a major farmer in the area. he farmed over 30,000 acres at one time. and he ended up collecting farm equipment all of his life. >> and quite honestly, when you get to be a successful farmer, you can go out, and you can talk to other guys, and most of these guys like to talk about the old days. and so he'd look over there, and he'd say, "ok, joe, "what are you going to do with that old cat over there?" and so he would talk him out of it and bring it home and restore it. >> our docents aren't trained to tell stories. our docents are trained to listen to other people's stories and then tell those stories again. >> farming is backbreaking labor. and so they invented somethin