The Barcelona Cathedral, officially known as the Cathedral of the Holy Cross and Saint Eulalia, is a stunning example of Gothic architecture located in the heart of Barcelona, Spain. Construction began in the 13th century and was completed in the 19th century, showcasing intricate facades and beautiful stained glass windows. The cathedral is dedicated to Saint Eulalia, the co-patron saint of the city. Visitors can explore the cathedral's impressive interior, which features a grand nave, chapels, and a serene cloister with a small garden. The rooftop offers panoramic views of Barcelona, making it a popular spot for tourists. The cathedral is not only a religious site but also a significant cultural landmark in the city.