Doing a Train

Riding the rails from the upper Midwest, down the Mississippi River Valley, and then west across Texas...

http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2008/07/04/TR1C11GC4S.DTL

And since one of the trains on this trip is the famous "City of New Orleans", here's a list of songs about trains:

http://www.fiql.com/playlists/songs_about_trains