I am heading to the TCA train show in York Pa and thinking of taking from Chicago the Capitol and then transferring to the Pennsylvanian to ride thru Horseshoe Curve. One is it worth going thru the curve on the train as I have been there several times by car. Also on the return trip I see the layover is 4 hours at Pittsburg, so instead of doing that I was thinking of going onto Washington DC via transfer in Philly. Has anyone done this trip and any negatives to any of this ???