The fortress was surrounded by a system of fortifications, and later ceremonial halls and living quarters were built. The castle complex includes the ducal palace, which houses the exhibition, as well as the ruins of the Livonian Order castle with an observation tower. The court life of the Middle Ages, holidays and everyday life, outfits, habits, customs - all of the past is reflected in the Bauska Castle very clearly and realistically.

An outstanding architectural monument, the Rundale Palace, a joint creation of the outstanding architect Rastrelli, the sculptor Graff and the Italian artists Zucchi and Martini, is the most important cultural heritage and a valuable landmark of Latvia. This architectural masterpiece is located in the very center of the country, in the cultural and historical region of Zemgale.