Some scenes were filmed in a town called Speers in Pennsylvania, roughly 45 miles south of Pittsburgh at a diner called Loraines just off of interstate 70.
Scene's filmed for the Mercy Seat Shelter were filmed on location at the Kiski Valley Campgrounds in Pennsylvania. It's a small Christian camp located just south of Apollo, PA on RT66. See more info on the grounds at www.kvcamp.org
Family Guy S16 E4, Follow the Money, also follows a dollar.