Gaudi by night. La Pedrera (or Casa Mila) in Barcelona, Spain.
Built in 1906-1912, La Pedrera was a controversial design at the time or the bold forms of the undulating stone facade and wrought iron decoration of the balconies and windows (which were designed largely by Josep Maria Jujol).
This was a home for rich people, with the attic being a work place for servants (inspired by the skeleton of a whale) and other organic, ecological, earthly elements inspired the details. My favorite part was the roof, which was inspired by medieval landscapes, warrior legends, and maybe perhaps Arabian sand dunes. The windows, seen from the roof if you are looking down towards the courtyard, look like eyelids!