9. Muse, 'The 2nd Law'
The cover art for Muse's latest tour de force, The 2nd Law, features a vivid image of the brain's neural pathways that also looks like a psychedelic head of broccoli. "We are defined by the fact that we can't be defined by anybody," frontman Matt Bellamy told Rolling Stone just before the album's release. We're still trying to get our heads around that.