Now that there are only 5 weeks left of the summer, you'd better get your day trips in and Escape Maker is a perfect site to start at if you're baffled by where to go. You choose your starting point and can view by map or by requirements (how long a trip, what kind of trip, etc) and find the ideal spot to visit. The site is a bit lacking in information about the regions once you've decided, so you'll have to do a bit more searching to find the best things to do in an area–but I've used this site tons of times as a starting point.
But what do you think?