Roman road: Via 27 of Antonino, which united Caesaraugusta (Zaragoza) with Asturica Augusta (Astorga).
Medieval source of La rana ("The Frog")
Two Roman milliarium are exposed in a public garden next to the Church. They were used during the Middle Ages to lay the foundations of a bridge. Arancón can be considered the milliarium capital in Soria. After the church there are another two milliarium.