McElroy Octagon House,
San Francisco
Also known as the Colonial Dames Octagon House

This photo was taken by a Mamiya C-330 Twin Lens Reflex medium format film camera with a Mamiya-Sekor 1:3.5 f=65mm lens using Fuji Acros 100 film, the negative scanned by an Epson Perfection V600 and digitally rendered in Photoshop.