The Marathon-Anacortes Refinery near Anacortes, Washington. Taken before dawn from Cap Sante Park. I was mostly there for sunrise but the refinery can make for some interesting 'scenery'.

A refinery counts as a 'building', right?

Canon R8, RF 100-400 at 183mm, f/8, 1 second, ISO 400. Main edit was just cropping, otherwise almost straight out of camera.