Philadelphia is a great city, full of nice places and nice people. It's a short drive away and, although I was only able to be there for three days, the city made a lasting impression on me. Here are some amazing places to visit:
INDEPENDENCE NATIONAL HISTORICAL PAK If you want to learn about American history, this is the place to visit. Visit the Liberty Bell, Independence Hall, where the Declaration of Independence and U.S. Constitution were adopted, the temporary Capitol and more. There is the added fun of trying to collect all of the historical trading cards that feature many important figures in American history. This is an awesome place to go with family and friends.
The Muller Museum This museum is all about true medical oddities that have been reported and documented. At first it was cool, but as you progress, it gets very disturbing. Don't visit this place if you are weak at heart.
There are so many other great places in this city, but before you leave make sure you try one of the famous Philly cheesesteaks.