I did the same trip. Highly recommended. On the trip I learned that there is an Amtrak Rail pass, which includes 10 rides. It seems that it often is on sale at

I did the same trip. Highly recommended. On the trip I learned that there is an Amtrak Rail pass, which includes 10 rides. It seems that it often is on sale at the beginning of the year. So if you are interested in such a trip, you may want to look out for that.