From Wikipedia: The Palais Garnier, known also as the Opéra de Paris or Opéra Garnier, but more commonly as the Paris Opéra, is a 1,600-seat opera house on the Place de l’Opéra in Paris, France, which was the primary home of the Paris Opera from 1875 until 1989. A grand building designed by Charles Garnier in the Neo-Baroque (or “Baroque Revival”) style (it is also said to be of the related Second Empire style), it is regarded as one of the architectural masterpieces of its time.

Further information

For more detailed information on the Paris Opera, visit http://en.wikipedia.org/wiki/Palais_Garnier