1. parc guell, barcelona, spain. by Antoni Gaudi.
2. guggenheim museum, new york city, usa. by Frank Lloyd Wright.
3. dome of the reichstag building, berlin, germany. by Norman Foster.
4. rietveld-schröderhuis, utrecht, netherlands. by Gerrit Rietveld.
5. taliesin west, scottsdale, arizona, usa. by Frank Lloyd Wright.
6. pavilhão de portugal, lisboa, portugal. by Alvaro Siza.
7. thompson center, chicago, illinois, usa. by Helmut Jahn.
8. louvre, paris, france. by I.M. Pei.
9. opera house, sydney, australia. by Jorn Utzon.
10. notre dame du haut, ronchamp, france. by Le Corbusier.
11. shwedagon pagoda, rangoon, burma. Is it a building or a city?
12. disney concert hall, los angeles, california. by Frank Gehry.