With 3 days in Barcelona, you can visit the icons of this city…Gaudí’s masterpieces (the Sagrada Familia, Casa Batlló, Casa Mila, and Park Güell), stroll through the Gothic Quarter, dine on tapas, go to the beach, and watch the sunset from a rooftop bar. We put together this 3 day Barcelona itinerary to help you have the best experience here. …