The Church of San Pedro Apóstol is considered a National Historic-Artistic Monument in Vitoria from the 13th-14th centuries. The temple was attached to the western wall of the medieval town, which is why the walls on the west are very thick. In the central nave the walls form a tower which is visible from the outside of the temple.
Gothic façade dates from the 14th century, accessible from Calle Herrería. The entrance is the opposite way round in this church because the wall used to run along the bottom of the central nave.
References: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.