This epic USA rail tour covers the big cities of New York, Chicago, Denver and San Francisco. In between, as you travel by Amtrak train across the United States, admire the stunning scenery from your seat with an ever-changing view. At each of the stops en route, there are exciting sightseeing options included. From hop-on-hop-off bus tours to explore at your own pace, to full day tours of the magnificent Rocky Mountains and famous Napa Valley wine region.