Dudeldorf Castle is the most important monument in the parish of Dudeldorf. It was built in 1345 and restored 1451–53.
The original Dudeldorf Castle was built in the 12th century, although the exact date is not known. A lord of Dudeldorf is recorded in 1052. In the 14th century this aristocratic family became extinct.
The castle occupies the northern part of the village walls which also form the curtain walls of the castle. The overall site consists of the medieval tower house, which was converted into a school in the 19th century, the double-winged manor house, added in the 18th century, the courtyard with its archway and the garden and pavilion. The bergfried, which rises above a vaulted basement, bears the date 1734 at the level of the uppermost of its three floors.
The Chapel of St. Martin is the only completely preserved Romanesque building in Vyšehrad and one of the oldest in Prague. In was built around 1100 in the eastern part of the fortified outer ward. Between 1100 and 1300, the Rotrunda was surrounded by a cemetery. The building survived the Hussite Wars and was used as the municipal prison of the Town of the Vyšehrad Hill.
During the Thirty Years’ War, it was used as gunpowder storage, from 1700 to 1750, it was renovated and reconsecrated. In 1784, the chapel was closed passed to the military management which kept using it as a warehouseand a cannon-amunition manufacturing facility. In 1841, it was meant to be demolished to give way to the construction of a new road through Vyšehrad. Eventually, only the original western entrance was walled up and replaced with a new one in the sountren side. The dilapidating Rotunda subsequently served as a shelter for the poor.