The golden stone quarries Nature · Villamayor, La Armuña, Salamanca Image of Villamayor, not of the place itself. From these quarries, documented since the sixteenth century, comes the sandstone known as Villamayor stone: soft when extracted and golden on contact with the air. With it were built the cathedrals, the Casa de las Conchas and the Plaza Mayor of Salamanca. Photo: Malopez 21 (CC BY-SA 4.0) What to see and do in Villamayor