8Alhambra, Spain
The Alhambra, located in Granada, Spain, is not only an imposing fortress but also a stunning palace complex. Built by the Nasrid Dynasty in the 13th century, the Alhambra served as both a military fortress and a royal palace for Muslim rulers of southern Spain. Its combination of defensive walls, towers, and lavish interior architecture makes it one of the most remarkable fortresses in the world. The Alcazaba, or citadel, is the oldest part of the Alhambra and offers panoramic views of Granada. Beyond its military function, the Alhambra is renowned for its intricate Islamic art, beautiful courtyards, and gardens that evoke the elegance of Moorish architecture.
