St. Nicholas Church, a medieval marvel dedicated to Saint Nicholas, suffered wartime damage but now serves as the Niguliste Museum, showcasing ecclesiastical art and hosting concerts. Despite transitioning from Roman Catholic to Lutheran during the Reformation, it retains its historical splendor, housing masterpieces like the Danse Macabre by Bernt Notke and the Altarpiece of the High Altar. Notable artifacts include a seven-branched brass candelabrum from 1519 and the mummified remains of Duke Charles Eugène de Croÿ. Tallinn