Bald Eagle State Park has a really big lake and beach area as well as some hiking trails. This is just under an hour away from the venue.
Penn State University is about a 30 minute drive from the ceremony/ reception venue. There are lots of places to eat and shopping in the area.
Altoona, PA is a nice little town about 20 minutes from the venue. There is a decently sized shopping mall, nice restaurants, and other cool shops to peruse.