From witty illusions on city walls to playful transformations of pipes and sidewalks, here are 10 clever street art works from around the world. Featured are murals in France, Sweden, Belgium, and more — each piece turning its surroundings into something surprising and memorable.

More: Silly Signs! (8 Photos)

1. Closed Forever — By Oakoak in Gent, Belgium

A Simpsons-inspired mural showing…

In Fayetteville, Arkansas, a parking garage turns into a giant gumball machine. A hyena bursts off the wall at Festival Puteaux. In Cherbourg, a squirrel reaches for an acorn through broken concrete. A drain cover becomes the back of an alligator, and a cement mixer rolls by painted as a matryoshka doll. Obelix smashes a crosswalk in France, an owl appears next to a flower in Lyon, and Wile E.…

Which one is your favorite?