St. Nicholas' Church, Niguliste Kirik, seen from the tower of the cathedral Toomkirik, Tallinn, Estonia, Europe

"Aerial view, Cathedral of St. Nicholas and St. Jacobi Church, Greifswald, Mecklenburg-Western Pomerania, Germany, Europe"

"Storkyrkan, the Great Church, Church of St. Nicholas or Stockholm Cathedral, historic centre, Gamla stan, Stockholm, Sweden, Europe"

"Interior, chancel of the baroque Catholic Cathedral of St. Gallen, St. Gallen, Canton of St. Gallen, Switzerland, Europe"

"Nave, interior of the baroque Catholic Cathedral of St. Gallen, St. Gallen, Canton of St. Gallen, Switzerland, Europe"

"Nave, interior of the baroque Catholic Cathedral of St. Gallen, St. Gallen, Canton of St. Gallen, Switzerland, Europe"

"Cathedral of Our Lady Assumed into Heaven and St. Nicholas, Galway Cathedral, Galway, County Galway, Republic of Ireland, Europe"

"Interior, chancel of the baroque Catholic Cathedral of St. Gallen, St. Gallen, Canton of St. Gallen, Switzerland, Europe"

"Town Hall, St. Nicholas Cathedral, Fountain of the Carniolian Rivers or Robba's Fountain, Town Hall Square, Ljubljana, Slovenia, Europe"

"Towers of the Collegiate Church of St. Gallen, cathedral, UNESCO World Heritage Site, St. Gallen, Canton of St. Gallen, Switzerland, Europe"

Chur, pew, cathedral St. Maria Himmelfahrt, canton Graubünden, Switzerland, Europe

Dome in the Cathedral of St. Nicholas, Noto, Sicily, Italy, Europe

Cathedral of St. Nicholas, Fribourg, Switzerland, Europe