Skip-The-Line: Saint-Chapelle and Towers of Notre-Dame. Get skip-the-line access to the Towers of Notre Dame and Saint-Chapelle. Learn about the history of both monuments from your local guide. See the gargoyles at Notre Dame and the stained glass windows at Saint-Chapelle. Avoid waiting in line at 2 of Paris' most popular attractions. Book and Save 30%! Skip-The-Line: Saint-Chapelle and Towers of Notre-Dame.