After three decades of riding trains all over the world—rural China, the Swiss Alps, Latin American jungles—I am still thrilled by a classic rail journey. Take The Canadian, where passengers can spend three days watching the countryside scenery from Toronto to Vancouver via dome cars. From the wheat fields to the jagged Rockies to the thickly forested Coast Mountains, it’s one of the world’s most amazing routes. Here are 15 more of my favorite journeys by rail.