Start at Casa Batlló to see the unique mosaic designs and dragon-like details. Walk along Passeig de Gracia to Casa Milà, also known as “La Pedrera,” and go inside to view Gaudí’s architectural work up close. Head to the rooftop to see unusual chimneys and city views.

Take a break with Catalan tapas and cava before visiting Park Güell. Walk through the colorful mosaics, lizards, and serpentine benches there.

Finally, visit La Sagrada Familia. See the detailed Nativity and Passion facades before entering the basilica, with its tall columns and colorful light.

End the day with photos that capture the essence of Gaudí's work and Barcelona’s architectural style.