“La Cueva del Engarbo”, house some cave paintings painted by our ancestors. It’s a site with naturalistic and stylized human figures with animals making up hunting, fighting, dancing scenes. UNESCO declared them as World Heritage in 1998. To get the caves you have to drive the Santiago de la Espada-Puebla de don Fabrique road until ein bridge which is named “Arroyo Frío”.
In this link you can see all the cave paintings of Santiago Pontones: