Love Post-Its art? Neatoramanaut toenail told us about Post'It War, a website dedicated to chronicling the ongoing war of window art that's been going on in skyscrapers of France. Can you say office workers vs. office workers? Oh, won't someone think of the office supply budget!
The best yet, however, is this secret Project Lune: a multi-story recreation of Hergé's The Adventures of Tintin: Destination Moon.