When it’s time to cool off, relax in the shallow areas or scope out places that are deep enough for a full dip. 5808 McKinney Falls Parkway. Open daily, 8 am-10 pm. Cash preferred; $6 for adults, free. Pennsylvania is home to many historic sites that preserve important artifacts and buildings of the American Revolutionary War found in Philadelphia, Pittsburgh, Gettysburg, Lancaster and Harrisburg. The sushi burrito shop, which launched…