It could be metal, stone, wood, or leather, whatever makes the merchandise shine.

Forn Concepció Satorras 1908 Architect: Carles Pascual Soldevila

There's never a dull moment in retail design. From pixelated wall shelving based on the human eye to "rolling stone" display cases and faceted surfaces resembling cut gems, here are seven retail design projects attracting shoppers with an appetite for innovation.