Subway tile in its original form—uniform stacks of tile laid horizontally and off-center—is as classic as it gets. But just like a white shirt, there are endless ways to reinvent it. Sure, there’s the color of the ceramic or grout color to play with, but it’s really as easy as rearranging the pieces à la Tetris. Turn the tiles on their sides, group them in pairs, place them so they follow the lines of the wall and ceiling. In an unexpected pattern—check out some of the genius ideas below—the material feels decidedly fresh and exciting.