Musical instruments in general look cool as shit but there's something about the Les Paul Special double cutaway that none of Gibson's other designs do for me. It looks nice without being ostentatious.
I like circuit boards too but not this one. I love the AV Famicom's circuit board. In fact, I love the AV Famicom.
Man made objects.
Dogs is a fair answer. They've all been selectively engineered by humans.