Pop up stores are all the rage now, but Adidas took it a step further with theirs. At the 2011 Primavera music festival in Barcelona, Spain, the company created an installation that looked like a giant Adidas shoe box!

Link - via Design Dautore

Update 2/18/13: Neatoramanaut Marc Sallent Aspa participated in the project. More details at WeChooseFun: Link - Thanks Marc!