In 831, some Venetian merchants arrived near Cropani on their way back from Alexandria where they had collected the remains of the Evangelist Mark. According to this reconstruction, the ship was caught in a bad storm and wrecked near the beach of Cropani. The inhabitants aided the merchants who, as a sign of recognition, gave them a fragment of the kneecap of the saint’s right knee, kept in the church of Santa Maria Assunta (the Duomo).
Later, the merchants awarded the people of Cropani the honorary citizenship of Venice.The mother church or the Assunta is a monumental building whose first layout dates to the 13th century. The structure was built with large blocks of tufaceous granite and stands out because of its imposing bell tower, 43 metres high compared to the original 47.
The church of the Assunta houses notable works of art including statues, relics, paintings and frescoes in 18th century Baroque style and a notable wooden ceiling with arabesques with 15th century paintings.
The little ‘Antiquarium Diocesano’ museum inside the Duomo can be visited. It holds many works of sacred art including half-bust reliquaries sculptured in the round, finely decorated in damascened gold leaf dating to the 16th century, precious silver items and sacred 18th century vestments and also an interesting marble tabernacle sculptured bas-relief dating to 1545.
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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.