Overview: Winnebago's motor homes, or RVs, have set the standard since the 1960s. But now they have upped the ante with their newest cross-country colossus, the Vectra. Offering 400 square feet of living space, the Vectra even includes a giant basement. From the chassis factory in Gaffney, SC, to the "Big Bertha" mega-plant in IA, visit the Ultimate Factories that create the ultimate home away from home on the open road.