Kadriorg Palace (Estonian: Kadrioru loss, German: Schloss Katharinental) is an 18th-century Petrine Baroque palace in Kadriorg, Tallinn, the capital of Estonia. Both the Estonian and the German names for the palace mean "Catherine's valley". It was built in 1718–1725 to Nicola Michetti's designs by Gaetano Chiaveri and Mikhail Zemtsov. The palace currently houses the Kadriorg Art Museum, a branch of the Art Museum of Estonia, displaying foreign art from the 16th to 20th centuries. The building o