Wikipedia states: "Schonbrunn Palace is a former imperial summer residence located in Vienna, Austria. The 1,441-room Baroque palace is one of the most important architectural, cultural, and historical monuments in the country. Since the mid-1950s it has been a major tourist attraction. The history of the palace and its vast gardens spans over 300 years, reflecting the changing tastes, interests, and aspirations of successive Habsburg monarchs."
This photo was sent in by JF, who notes that this restroom is located near the Obelisk Fountain.