On the edge of the Mirror Pond in the Catherine Park stands the Upper Bathhouse pavilion that was constructed in 1777–79 by the architects Vasily and Ilya Neyelov. Until the middle of the nineteenth century the Upper Bathhouse retained its original function and contained six rooms: an entrance hall, changing room, bath, steam bath, boiler-room and an octagonal central hall for relaxation. The Upper Bathhouse was destroyed during the war and restored in 1952–53. At present the pavilion is used for temporary exhibitions.