Utah. Don't the Mormons have a thing about if you're really good, you get to work your way up the ladder after death, and you eventually get a go at being God (or a God) with the destiny of your own world to form and steer? Therefore our God might have put it there as a signpost to those with eyes to see... "One day, Son, all this will be yours! Obey your elders, do the missionary work, read the Book of Mormon, and one day..."
Seriously... it looks like a brushed-steel panel from a construction site, external cladding or ornamental work. I'd look for a large fairly recently constructed building in Salt Lake City or Provo with this sort of brushed/polished metal work on the outside - I'm just betting there'll be one, with hundreds of metal panels built into its construction, which will be absolutely identical in dimensions. Bored construction workers, perhaps, deciding to fly-tip a surplus bit of site waste - but artistically...
