The architects of this tiny pharmacy in downtown Osaka didn't have much to work with—just a skinny alleyway between two hulking buildings. But the resulting structure is so cool, it almost looks as though it was there first. You'd be surprised how far back it goes, too, so click through for an aerial shot.

The building was a collaboration between Ninkipen! architects and Toshikatsu Ienari and Kenta Fukunishi. [ArchDaily]