El Alhambra, Granada, Spain
Avila Spain. Beautiful castle walls.
The Puente Nuevo Bridge in Ronda, Spain | A1 Pictures
Alcázar of Segovia Castle in Spain
Castle of the Templars, Ponferrada, Spain
Ronda, Spain - Medieval Defensive Walls From Calle Imágenes 3
Alcázar of Segovia is a stone fortification, located in the old city of Segovia, Spain. Flickr
Castillo de La Cueva, Cebolleros, Burgos, Spain