This document lists 20 famous opera houses from around the world, including the Romanian Antheneum in Bucharest, the Mariinsky and Mikhailovsky opera houses in Saint Petersburg, La Fenice in Venice, La Scala in Milan, the Palais Garnier in Paris, the Metropolitan Opera House in New York, the War Memorial Opera House in San Francisco, the Teatro Amazonas in Manaus, Brazil, the Royal Opera House in London, the Royal Swedish Opera in Stockholm, the Hungarian State Opera House in Budapest, the Bavarian State Opera in Munich, the Margravial Opera House in Bayreuth, Germany, the Oslo Opera House in Oslo, Norway, the Palau de Musica Catalana

2. Romanian Antheneum, Bucharest, Romania

3. Mariinsky, Saint Petersburg , Russia

4. Mikhailovsky, Saint Petersburg, Russia

5. La Fenice, Venice, Italy

6. Teatro di San Carlo Naples, Italy

7. La Scala Milan, Italy

8. Palais, Garnier, Paris, France

9. Palais, Garnier, Paris, France

10. Metropolitan Opera House, New York,

11. War Memorial Opera House, San Francisco, California

12. Teatro Amazonas, Manaus, Brazil

13. Royal Opera House, Covent Garden, London

14. Royal Swedish Opera, Stockholm, Sweden

15. Hungarian State Opera House, Budapest, Hungary

16. Bavarian State Opera, Munich, Germany

17. Margravial Opera House, Bayreuth, Germany

18. Oslo Opera House, Oslo, Norway

19. Palau de Musica Catalana, Barcelona, Spain

20. Opera de Monte Carlo, Monte Carlo, Monaco