Start your trip by exploring the Gothic Quarter, the historic center of Barcelona. Walk through the narrow alleys and admire the medieval architecture. Take a stroll around Plaça Reial and enjoy a coffee or a cold drink. After that, head over to La Sagrada Familia, Gaudi's magnificent masterpiece. Be sure to book your tickets online in advance to save time.
Start your day at Park Güell, a whimsical park designed by Antoni Gaudi. Don't miss the famous lizard statue and the stunning views of Barcelona. Afterwards, head over to Casa Batlló, another one of Gaudi's architectural marvels. Learn about the history of the building and admire the colorful facade.
Take a day trip to Montserrat Monastery, located in the mountains outside of Barcelona. Enjoy the breathtaking views and take a tour of the monastery. Afterward, return to the city center and head to the Picasso Museum. See some of Picasso's most famous works, including many from his formative years in Barcelona.
Spend your final day in Barcelona by visiting the beach neighborhood of Barceloneta. Relax on the sand or take a stroll along the boardwalk. Afterwards, head over to La Boqueria Market, a famous food market located off of La Rambla. Sample some of the best Spanish cuisine and pick up some souvenirs.
If you have more time, consider visiting some of Barcelona's other popular attractions, such as the Magic Fountain, Park de la Ciutadella, or the Camp Nou stadium. If you have less time, consider skipping the Picasso Museum or Montserrat Monastery. Additionally, be sure to watch out for pickpockets in crowded tourist areas and always keep an eye on your belongings.