The Alhambra is a magnificent palace and fortress complex located in Granada, Spain. It is a UNESCO World Heritage site and one of the most visited tourist attractions in the country. The complex dates back to the 9th century and showcases stunning Islamic architecture and design. Visitors can explore the beautiful gardens, intricate courtyards, and ornate palaces. The Alhambra offers free admission to EU citizens, making it a must-visit museum in Granada.