Sep 22, 2016  · Sit back and watch the world go by on one of America’s best train journeys. You’ll cross lofty trestles, swoop through long tunnels, snake alongside rivers, and flank canyons — seeing parts of the country accessible only by rail. We compared data from Amtrak, Vacations By Rail and America By. I often get asked what other countries have that the U.S. doesn’t. My answer is always the…