Visit Beth's hometown! Get a cup of coffee at the Gryphon Cafe, see a flick at the Anthony Wayne Theater, do some shopping on main street. 5 minute drive from the Radnor Hotel.
If you're looking to take a day trip to Philly, that's totally doable. SEPTA trains depart Wayne pretty regularly, and it's about a 30-40 minute ride into the city.
Go for a hike, toss a frisbee, ride a bike, or do some history learnin' at the site where Washington's troops camped out during the brutal winter of 1777-1778.
The King of Prussia mall is f****** massive. Great for last minute shopping if you forgot to pack a tie or you're feeling like your wedding outfit isn't gonna cut it.