For 23 years, a two-story mural in Northwest D.C. depicting the yellow-brick road, the Emerald City and the cast from “The Wizard of Oz” overlooked the basketball court in Stead Park.

His shophouse is an end-lot with an exterior wall by the road, a “canvas” irresistible to graffiti artists ... “Murals work best when they have a strong concept, tell a story and are ...

If you’re in need of some creative inspiration – or even if you’re just looking for a lovely selfie background – here are some of the best graffiti ... outside the walls of Sheung Wan ...