For the past 35 years, Wenner has led the 3D pavement art movement, creating incredible illusions on streets and sidewalks around the world that are making people question reality.

Hopscotch and doodles with sidewalk chalk are one of summer’s welcome pops of color. But at the West End “W.E.” Chalk Fest, ...

Over 40 artists will gather on Saturday to fill the street with chalk art and to ... the colorful yet temporary medium of sidewalk chalk. ... way that creates mind-bending optical illusions.

Stum holds the Guinness record for the world’s largest chalk painting by an individual: a version of Da Vinci’s Last Supper that was 35 feet long and 18 feet high. As it turns out, Da Vinci’s famous ...