🌟 Must-sees: Pay attention to the Nativity and Passion facades, each telling a different story from the life of Jesus. Don't forget to visit the museum in the basement to learn more about Gaudí and the construction process.

Begin your day at La Sagrada Familia, the most iconic landmark of Barcelona. Designed by the famous architect Antoni Gaudí, this basilica has been under construction since 1882 and is still not complete. Marvel at the intricate details of its exterior and be sure to step inside to admire the stunning stained glass windows and unique columns that resemble trees.

🌟 Must-sees: Try the mixed seafood grill and pair it with a glass of local white wine. Remember, this place is popular, so be prepared for a short wait.

Head to La Paradeta for a delicious seafood lunch. This unique, self-service seafood restaurant allows you to choose your seafood from a fresh market-style display, and then it's cooked to order. Enjoy a variety of dishes like grilled octopus, shrimp, and mussels.

🌟 Must-sees: Don't miss the Gaudí House Museum, where the architect lived for almost 20 years. Also, make sure to take a photo with the iconic mosaic lizard.

Visit Park Güell, another masterpiece by Antoni Gaudí. This colorful park offers stunning views of the city and is filled with whimsical architecture and mosaic-covered sculptures. Stroll through the park, admire the dragon fountain, and take a seat on the famous serpentine bench.

🌟 Must-sees: Pay attention to the beautiful mosaic by Joan Miró on the pavement. Also, visit Plaça Reial, a picturesque square with palm trees and street lamps designed by Gaudí.

Walk along Las Ramblas, the most famous street in Barcelona. This lively pedestrian boulevard is lined with shops, cafes, and street performers. Enjoy the vibrant atmosphere and be sure to stop by La Boqueria, a bustling market offering a variety of fresh produce, meats, and seafood.

🌟 Must-sees: Visit the Plaça del Rei, a medieval square surrounded by impressive buildings like the Royal Palace and the Chapel of Santa Àgata. Also, check out the ancient Roman walls and the remains of a Roman temple.

Explore the Gothic Quarter, the oldest part of Barcelona. Wander through its narrow, winding streets and discover hidden squares, charming cafes, and historic buildings. Don't miss the Barcelona Cathedral, a stunning example of Gothic architecture.

🌟 Must-sees: Try the seafood paella and the roasted vegetable Catalan coca (flatbread). Pair your meal with a glass of local red wine.

End your day with dinner at Els Quatre Gats, a historic restaurant frequented by famous artists like Pablo Picasso during their time in Barcelona. Enjoy traditional Catalan dishes in a charming atmosphere, surrounded by beautiful Modernist décor.