Washington National Opera was created in 1957.
At the Opera House was created in 1958.
Detroit Opera House was created in 1922.
Croswell Opera House was created in 1866.
Newberry Opera House was created in 1881.
Millett Opera House was created in 1878.
Opera house of the year was created in 1994.
Smith's Opera House was created in 1894.
McPherson Opera House was created in 1889.
Fulton Opera House was created in 1870.
IOOF Opera House was created in 1893.
Eureka Opera House was created in 1880.