Urban art pushes boundaries as one of the 21st century's most subversive artistic expressions. Street artists like Banksy, KAWS, Mr. Brainwash, and Shepard Fairey create innovative graffiti, toys, ...

The moment the gavel falls on a duct-taped banana for $6.2M Maurizio Cattelan's provocative artwork of a banana duct ... York - four times higher than pre-sale estimates. The auction house says ...