From Tracey Emin’s bed and Banksy’s Armoured Dove to Picasso's Guernica and Frida Kahlo's Self Portrait, our favourite works ...

And what's a more 'F You, I Won't Do What You Tell Me' art form than graffiti? It's not simply about 'sticking it to the man,' either – it is a legitimate kind of art. Some of the most famous ...