After-Hours Tour: Opera Garnier in Paris. Once the Opera Garnier has closed to the public, it’s your turn to experience this magnificent Paris icon. This after-hours tour gives you exclusive access to Paris’ breathtaking Opera Garnier, also known as the Palais Garnier, without the hassle of daytime crowds. Your informative guide will reveal the grandeur of the opera house on your tour of the Members' Rotunda, main staircase (Grand Escalier), Grand Foyer and breathtaking auditorium. It’s no wonder why this incredible neobaroque opera house — one of Europe’s largest — inspired the setting for the legendary ‘The Phantom of the Opera’ musical. Book and Save 10% Off After-Hours Tour: Opera Garnier in Paris.