The Cathedral of the Holy Cross and Saint Eulalia, located in Barcelona, Spain, is a stunning example of Gothic architecture. Construction began in the 13th century and continued for several centuries, resulting in a blend of styles. The cathedral is dedicated to Saint Eulalia, the co-patron saint of Barcelona, and features beautiful stained glass windows, intricate sculptures, and a serene cloister. The cathedral's impressive façade is adorned with spires and gargoyles, while its interior boasts a grand nave and numerous chapels. Visitors can also explore the rooftop for panoramic views of the city. The cathedral remains an important religious site and a popular tourist attraction.