Tucked beneath a sweeping natural rock alcove in the Tonto Basin, these ancient stone rooms feel almost impossibly intimate against the vast Arizona wilderness — two tiny human figures stand among the ruins, offering a humbling sense of scale that no postcard caption could fully convey. The Tonto Cliff Dwellings, built by the Salado people around 1300 CE and "discovered" by European explorers circa 1540, were already old beyond reckoning when the Apache Trail was carved through the surrounding Superstition Mountains in the early 20th century. This linen-era card, published by Herz Post Cards of San Diego, captures the upper cliff dwelling in vivid hand-tinted ochres and rusts, the cave ceiling arching overhead like a cathedral vault. The Roosevelt Dam — completed in 1911 and the anchor of the Apache Trail scenic route — lay just five miles away, drawing a new wave of automobile tourists eager to combine a modern engineering marvel with a brush against prehistory. Cards like this one were snapped up at roadside curio stands by travelers named things like Mildred or Earl who had motored out from Phoenix on a Sunday excursion, sending greetings home on a penny stamp.