08/16/2011 12:01 pm ET | Updated Oct 16, 2011

Graffiti Cities Around The World

One of the best ways to really understand a culture is through its art, but what happens when the galleries are closed?

Subversive, sarcastic or just outright defiant, graffiti art often reflects the very soul of a culture and regularly challenges the status quo. Said to have been around since the time of the Roman Empire, street graffiti has come a long way since those hand carvings. This is one exhibition that is open 24/7 so marvel the eyes on our favorite graffiti cities around the world.

Graffiti cities