It is a huge building built in the Renaissance style. The main facade is decorated with rococo motifs (a style of decoration that uses pebbles and mother-of-pearl) with the addition of some artistic elements from the style of classical architecture. Oldenburg Palace is home to the State Museum of Art and Cultural History, which contains more than 800 cultural and historical exhibits displaying everything related to the city's history from the Middle Ages to the 20th century, including paintings, handicrafts, ivory carvings, historical costumes and medieval manuscripts.