“The Phantom of the Opera,” an intriguing story of a mysterious masked man haunting the Paris Opera House, has been a beloved musical for decades. The show has dazzled millions of people with ...

Author Leroux incorporated this stuff, and much other lore about the ornate Palais Garnier opera house of Paris and its underground catacombs, into his 1910 serial "Le Fantôme de l'Opéra." ...