The Betliar Museum is a specialized art-history museum oriented on the development of the residences of the aristocracy in the 18th and 19th centuries with the exhibition in the Betliar manor-house, a mediaeval castle exhibition at Krásna Hôrka and the Mausoleum in the Krásnohorské Podhradie. The attractive exhibitions are situated in the original historical buildings and premises are among the most important monuments of Slovakia. The exhibits come to a large extent from the estate and collections of the Andrássy family, their former owners.