Address numbers on freestanding fence/screen.
log rounds used as steps, levels, like stone slabs
metal cutouts as railings
Metal screen as railing. Possibly water-jet-cut. Here a mashrabiya pattern is the inspiration (mashrabiya screens of the Middle East).
Water-jet-cut metal as railing.
metal cut-out design, garage door.
Metal cut-out designs in a screen or gate.
carved stone runnels, zig zag down to a low circular basin. Sam Williamson associates.