Answer: CATHEDRAL

AnswerCrossword Clue
CATHEDRALKind of tourist town
cathedralthe main church of a diocese
cathedralthe principal church in a diocese, so called because in it the bishop has his official chair (cathedra)
CATHEDRALAmiens attraction
CATHEDRALBuilding with picture windows?
CATHEDRALBig church
CATHEDRALSt. Patrick's, e.g.
CATHEDRALChartres attraction
CATHEDRALMinster
CATHEDRALKind of ceiling
CATHEDRALWinchester, for one
CATHEDRALSt. Patrick's or St. John's.
CATHEDRALChurch.
CATHEDRALNotre Dame, for one
CATHEDRALSaint Paul's, for one
CATHEDRALWren creation
CATHEDRALLarge, important church