The Festival of La Merce (Our Lady of Mercy) see festivals, parades, and fairs throughout the city.
The mansion next door. Obviously quite a competition on this street, the Passeig de Gracia.
Even the sidewalks on the Passeig de Gracia are incredible works of art.
The central light tunnel of Casa Batllo. Gaudi went to considerable lengths to let natural light into each room.
La Rambla de Catalunya. A pedestrian promenade that stretches more than a mile through the city. Tres cool.