🌟 Must-sees: Pay attention to the stained-glass windows that fill the space with colorful light. Also, notice the tree-like columns, which give the impression of a stone forest.

Begin your Barcelona adventure at the iconic La Sagrada Familia, a UNESCO World Heritage Site. Designed by Catalan architect Antoni Gaudí, this stunning basilica remains unfinished, with construction ongoing since 1882. Marvel at the intricate details of the Nativity and Passion façades, and explore the beautiful interior, which features a unique blend of Gothic and Art Nouveau styles. Don't forget to visit the museum and Gaudí's original workshop in the basement.

🌟 Must-sees: Try the seafood paella, a classic Spanish dish. Don't be shy to ask for recommendations from the staff, as they are friendly and helpful.

After exploring La Sagrada Familia, head to La Paradeta Sagrada Familia for a delicious seafood lunch. This popular eatery offers a unique dining experience, as you select your fresh seafood from the counter and watch it being cooked to perfection. Enjoy dishes like grilled octopus, fried calamari, and seafood paella.

🌟 Must-sees: Take a moment to enjoy the panoramic view of Barcelona from the park's main terrace. Don't miss the vibrant mosaics and the iconic mosaic lizard, known as 'El Drac'.

Visit Park Güell, another masterpiece by Antoni Gaudí and a UNESCO World Heritage Site. This colorful park features beautiful mosaics, whimsical architecture, and stunning views of the city. Wander through the Monumental Zone, where you'll find the famous dragon staircase and serpentine bench, and explore the peaceful gardens and walking trails.

🌟 Must-sees: Pay attention to the intricate details of Casa Batlló's façade, which resembles a dragon's skin. At Casa Milà, also known as La Pedrera, notice the wavy stone exterior and unique rooftop sculptures.

Stroll along Passeig de Gràcia, one of Barcelona's most famous streets, known for its upscale shopping and modernist architecture. Admire the beautiful façades of Casa Batlló and Casa Milà, two more of Gaudí's iconic works. As you walk, take in the vibrant atmosphere and observe the mix of historic and contemporary architecture.

🌟 Must-sees: Try the montaditos, small open-faced sandwiches with various toppings. Pair your tapas with a glass of local wine or beer.

End your day with dinner at Cervecería Catalana, a popular tapas bar in the city center. Sample a variety of traditional tapas, such as patatas bravas, jamón ibérico, and croquetas. The lively atmosphere and delicious food make for a perfect evening.

🌟 Must-sees: Visit the Plaça Sant Felip Neri, a beautiful and tranquil square with a tragic history. Also, pay attention to the Roman ruins scattered throughout the area.

Start your second day in Barcelona by exploring the Barri Gòtic, the city's medieval heart. Wander through the narrow, winding streets and discover hidden squares, historic buildings, and charming shops. Don't miss the Barcelona Cathedral, a stunning example of Gothic architecture, and the Plaça del Rei, a picturesque square surrounded by medieval structures.

🌟 Must-sees: Try the Barcelona brunch, which includes eggs, bacon, sausage, and a Bloody Mary. Don't forget to order a refreshing mimosa to accompany your meal.

Head to Milk Bar & Bistro for a delicious brunch. This trendy spot offers a variety of dishes, from classic eggs Benedict to Spanish-style huevos rancheros. The cozy atmosphere and friendly service make it a perfect place to relax and refuel.

🌟 Must-sees: Pay special attention to the Las Meninas series, where Picasso reinterprets Velázquez's famous painting. Also, don't miss the Blue Period and Rose Period galleries.

Visit the Picasso Museum, which houses an extensive collection of the renowned artist's work. The museum is located in five adjoining medieval palaces and showcases Picasso's early years and his deep connection to Barcelona. Discover over 4,000 works, including paintings, sculptures, and ceramics.

🌟 Must-sees: Look out for the unique modern sculptures along the beach, such as Frank Gehry's Peix d'Or (Golden Fish).

Spend the late afternoon relaxing at Barceloneta Beach, one of the city's most popular beaches. Take a leisurely stroll along the boardwalk, dip your toes in the Mediterranean Sea, or simply relax on the sand and soak up the sun. The lively atmosphere and beautiful views make it a perfect place to unwind.

🌟 Must-sees: Try the seafood paella or fideuà, both signature dishes of the restaurant. Pair your meal with a glass of local white wine.

End your Barcelona trip with dinner at Can Solé, a traditional Catalan seafood restaurant located near Barceloneta Beach. Established in 1903, this historic restaurant offers a variety of delicious dishes, such as seafood paella, grilled fish, and fideuà (a noodle-based paella). The warm atmosphere and attentive service make it a memorable dining experience.