Castle of Coca was built in the century with the help of the powerful Archbishop of Seville Alonso de Fonseca, who in 1453 received permission to King Henry IV of Castile on the construction of the castle.
Santander is the capital of Cantabria. It features a small historic center and a buch of beaches on the Cantabrian sea. Its most famous tourist attraction is the Magdalena Palace which was used as a summer getaway by the Spanish royalty.
Castles of Spain - Castle Sajazarra, La Rioja, Spain. - Sajazarra has wonderful location with a triptych medieval structure of a fortified village. It has a conserved castle-palace, dates from the end of XIV century or the beginning of XV century.
Casa Batllo (World Heritage Site) - One of 2 houses by Gaudí in Barcelona that can be toured. truly amazing and worth the visit. go in the mornings, before the site gets crowded with architecture students.