Lancaster PA is a cute town 20 minutes from the wedding venue. The town is full of little shops, restaurants and bars.
Philly is about 2 hrs away from the wedding venue. There is the Liberty Bell, Independence Hall , Reading Terminal Market and South Street.
Inner Harbor Maryland is about 2 hrs south of the wedding venue. Inner Harbor is along the water in Baltimore Maryland. There is the National Aquarium, Oriole Park and Historic ships in Baltimore. There are a lot of restaurants and areas to walk around.
Since the wedding is on a Friday you can make it a mini vacation if you'd like! New York City is about 3 hours from the venue.