Palermo Cathedral is a stunning example of Sicilian architecture located in the city of Palermo. Built in the 12th century, it showcases a mix of styles, including Norman, Gothic, and Baroque. The cathedral is known for its impressive façade, intricate mosaics, and beautiful chapels, making it a significant landmark in the region. The cathedral also houses the tombs of several important figures, including the remains of Frederick II, a notable Holy Roman Emperor. Visitors can explore its rich history and enjoy panoramic views from the rooftop, which adds to its appeal as a cultural and historical site.