Valley forge is just down the road from King of Prussia. I'll meet you in Philly and give you a cheesesteak tour begining at Tony Luke's and beer to wash it down. My treat! Your half hour from philly is all. Phillies are in town as well. Lots of things to see in Philly. Betsy Ross House art museum, firts post office, liberty bell and an original consitition , south street, china town, Italian market, Reading Terminal and of course good drinking holes .