The exterior of the building, which looks like an outbuilding, contrasts with the sophisticated decoration of its interior, which is adorned with blue silk and velvet and gilded sculptures, yet is all pretense.

She herself came to play comedy, with a troupe reduced to her intimate entourage, in memory of her taste, since childhood, for theater and declamation.

The stage, twice as large as the hall, as well as the machinery, complex and of the most modern, are the work of the machinist Boullet, of the Paris Opera.

Several queens and empresses, Marie-Louise, Marie-Amélie and Eugénie, appropriated the place in the course of the 19th century, which became a sort of women's privilege.

It has been assigned to the museum, but is rarely visited and, after several restoration campaigns, has remained intact to this day, including its machinery, an almost unique example of the eighteenth century.