http://www.parmaitaly.com/parmak.html   A map of the Parma, Italy, area: home   to many composers.
http://www.atkielski.com/PhotoGallery/Paris/General/OperaBastilleSmall.html   Non-official facts on  the  Bastille.
http://www.apartexchange.com/rent_Paris_12th_blvddelabastille.htm   Bastille physical environment.
http://www.fsz.bme.hu/opera/par_garnier.html    Best sites for the Garnier.
 
http://www.opera-de-paris.fr/zones.asp    The official site for operas in Paris.
http://www.greatbuildings.com/buildings/Paris_Opera.html    Concise but interesting.
http://www.ciarm.ing.unibo.it/lamberto/Venice.html    Very brief page on La Fenice
http://www.metopera.org    Official site for the Metropolitan
http://www.r-ds.com/opera/venues/gallery.htm    Composers and opera houses.
http://www.bbc.co.uk/dna/h2g2/alab aster/A591879    Excellent site for Festspielhaus.