The document provides a 2-day itinerary for visiting popular sights and neighborhoods in Barcelona, Spain. Day 1 includes visiting Park Güell to see the fairytale architecture and views, then the Sagrada Familia basilica. In the afternoon, stroll down Passeig de Gràcia and have lunch in El Raval before seeing views from Montjuïc castle. Day 2 starts with Plaza España's fountain display and continues to Plaza Reial, the cathedral, and Parc Ciutadella, wrapping up with an evening on the beach at Barceloneta before nighttime activities along La Rambla. Transportation instructions are provided throughout.