Église Notre-Dame is not just a place of prayer, but a well-known tourist attraction as well. Make the pilgrimage and enjoy a moment of contemplation.
When you've finished exploring this Epernay house of prayer, why not check out Moët et Chandon, Avenue de Champagne, and Champagne Chateau de Boursault? They're not too far from Église Notre-Dame and also popular with tourists.