Many tourists are drawn to Barcelona to see Antoni Gaudí's incredible architecture.
Barcelona celebrated the 150th anniversary of Gaudí's birth in 2002.
La Casa Milà
Gaudí's work was essentially useful. La Casa Milà is an apartment building and real people live there.
La Sagrada Família
The complicatedly named and curiously unfinished Expiatory Temple of the Sacred Family is the most visited building in Barcelona.