Oklahoma City’s manhole covers feature a map with a small white dot showing exactly where you are. This custom-cast Oklahoma City manhole cover doubles as a fu

Oklahoma City’s manhole covers feature a map with a small white dot showing exactly where you are. This custom-cast Oklahoma City manhole cover doubles as a functional street map, featuring a small white dot that serves as a real-world “You Are Here” marker. Designed by artist Susan Thomas in 1990…