What are some famous/good places to eat on this road trip?

Me and a group of friends from college are going on a road trip through DC, Baltimore, Philadelphia, and Pittsburgh.. Where are some restaurants or places we should go to eat? All help is appreciated, Thanks.What are some famous/good places to eat on this road trip?
Go to Primanti Bros in Pittsburgh and to wander around the strip district for shopping, bars, etc.. Go to Dalessandro's Steaks in Philadelphia. Go to the inner harbor in Baltimore, stop at Phillip's for some crab cakes, and the capital grille near capital hill in DC.What are some famous/good places to eat on this road trip?
Philadelphia - eat at the City Tavern.

DC area - eat at Chez Jacques (proprietor is Jacques Haeringer)

jet ski

baltimore restaurant week