This is Frantisek Kupka's Resistance, or The Black Idol, which despite it's fairly simplistic idea is still a striking piece.

  This week it’s one of my very favorite pieces, and one from the previous incarnation of the “This Week’s Art” threads. This is Caspar David Friedrich’s A Wanderer Above a Sea of Mist, a stunning piece for me and one that I will eventually (when I have wallspace) show proudly on my own wall. […]