Zona arqueológica de El Castellón Monument · Beas de Segura, Sierra de Segura, Jaén Image of Beas de Segura, not of the place itself. Site with remains of an old Argaric road, also called the Carthaginian road, which linked Cástulo with Cartago Nova, alongside remains of a wall and an Arab tower. Photo: Cosasdebeas (CC BY-SA 4.0) What to see and do in Beas de Segura