Catedral del Salvador de Zaragoza
The Cathedral of the Savior in its Epiphany of Saragossa was built on the site of an ancient Roman forum and a mosque Saraqusta, whose minaret still remains in the current tower. The building was started in the 12th century in the Romanesque style and underwent many renovations and extensions until the 18th century. it is a UNESCO World Heritage Site since 1986.