Deserted castle located west of the village Sklene Teplice, also called the castle Teplica, Castle of Sklene Teplice, or Red Castle. It is located on a steep hill of 629 m above sea level. The origin of the castle is unknown. In 1456 it was seized by troops John Jiskra from Brandis. In the battle with the Polish king Casimir, was damaged in 1471 and subsequently renewed in 1489. Termination of the castle is estimated at the 17th century.