Wright Stuff, photo by Harold Davis. View this image larger.

Is this a mechanical dragonfly? A musical instrument?

Actually, the photo is looking up from the street level to one of the domes in the Marin Center that Frank Lloyd Wright designed.

Related image: Wright Stairs.

[Nikon D300, 10.5mm digital fisheye, 1/8 of a second at f/22 and ISO 100, tripod mounted.]