Imagine this: you're seated comfortably in a plush, luxurious chair with a window to your left. Outside, the passing landscape rushes by. The train is traveling through South Africa, Napa Valley or Japan and you're along for the ride. You get out and explore at one of the many stops, discovering the newest way to travel isn't actually new at all. Reminiscent of a bygone era, luxury train travel of today feels novel and exciting. Hop on one of these twelve luxury trains to satisfy your…