Between the 17th and 20th centuries, the ruling dukes of Liechtenstein transformed their domains in southern Moravia into a striking landscape. It married Baroque architecture (mainly the work of Johann Bernhard Fischer von Erlach) and the classical and neo-Gothic style of the castles of Lednice and Valtice with countryside fashioned according to English romantic principles of landscape architecture. At 200 km2 , it is one of the largest artificial landscapes in Europe.