The voucher must be used on the selected date and within operating hours; Invalid after expiration • Please exchange your smartphone voucher for a paper ticket at the ticket desk of Dom Museum Wien first. Dom Museum Wien is right next to the Cathedral.• You will receive the tickets for the Museum and St. Stephen's Cathedral at the Museum´s ticket desk• Please check the Cathedral´s opening hours before heading there• 1 child (under 14) is automatically included free of charge per regular ticket (€25). All-Inclusive Ticket for additional children (under 14): €7 - available only at the ticket desk.