Flights of fancy—both real and metaphorical—can engage children and grown-ups alike.

Good morning, Washington. Today the temperatures will be in the mid 90s. With a heat index back up over 100 this afternoon the weather services has issued a heat advisory in effect from 2 p.m. until 6 p.m., so stay cool. Looking for something to do? Ben Folds is at Wolftrap, George Washington University is showing “Finding Neverland,” and the National Building Museum is screening “How to Succeed At Business Without Really Trying,” in the…