Philly is about a 35 minute drive from the hotel, and here is a link that highlights some places to visit :)
About a 30 minute drive from the hotel is Adventure Aquarium located in Camden, N.J. It can be a fun spot for an afternoon especially for anyone that may be coming in early for the wedding :)
Cute little diner that we ate at that has a pretty decent menu. It's also a short drive from the hotel.
Sports pub and eatery that is close to the Holiday Inn, and offers a pretty decent menu for families.
Cute Italian restaurant that is located near the Holiday Inn
This is located across the street from Adelphia's, and is a spot for shopping with surrounding restaurants and a movie theater.