Historical Town Centre with the Church of St Barbara and the Cathedral of Our Lady at Sedlec Ever since the end of the 13th century, the town‘s history has been inseparably linked to the mining of silver ore. The historical centre is an architectural jewel of European importance, and the late Gothic Cathedral of St Barbara and the Cathedral of Our Lady in Sedlec, rebuilt in the Baroque-Gothic style, create notional entrance gateways to the royal mining city.