Our trip to Philadelphia was sponsored by Visit Philly and we were hosted while in Philadelphia. My opinion is truthful.  If only walls could talk. Well, actually at Eastern State Penitentiary, the world’s first and most historic penitentiary, they do. Numerous multi-media and art installations, coupled with a brilliant audio tour, make history come to life giving walls a voice inside this historical Philadelphia landmark. During a recent mother daughter trip to Philadelphia we had an extra day to explore. When flights are cancelled last minute what do you do? Well, you explore more of the history in this rich city. And you jump at the chance to take the Eastern…