The Alhambra is a palace and fortress complex located in Granada, Andalusia, Spain.

Valle de los Caídos is a Catholic basilica and a monumental memorial in the municipality of San Lorenzo de El Escorial, northwest of Madrid.

The Mosque-Cathedral of Córdoba is a stunning blend of Islamic and Christian architecture.

The Royal Palace of Madrid is the official residence of the Spanish royal family.

El Escorial is a vast building complex located in San Lorenzo de El Escorial, near Madrid, in central Spain.

The Burgos Cathedral is a Gothic-style Roman Catholic cathedral located in Burgos, Spain.

The Alcázar of Segovia is a medieval castle located in the city of Segovia, Spain.

The Cathedral-Basilica of Our Lady of the Pillar is a Roman Catholic church in Zaragoza, Spain.

Canfranc International railway station is an architectural marvel nestled in the Pyrenees.

The Basilica of San Isidoro is a stunning Romanesque church located in the city of León in northwestern Spain.