The mansion itself has been decorated with over 6,300 roses on its stairs, ceilings, and furniture, symbolizing a "family crest" and embodying the beauty of Qingdao. These roses serve as a unique cultural calling card for the city.

Located at No 26 Longshan Road, the museum is a European-style castle building designed by a German architect in 1905 and completed in 1907. It covers an area of 34,000 square meters and features a blend of German Wilhelm and Jugendstil architectural styles. The mansion, which has been recognized as a fine work of 20th-century world architecture, showcases the historical and cultural exchanges between the East and the West.

The exterior of the Former German Governor's House, a European-style castle in Qingdao. [Photo/WeChat account: Shinanly]