Skip the Line: Notre Dame Cathedral, Tower and Ile de la Cite Half-Day Walking Tour. Discover the City of Light on a personalized walking tour including skip-the-line access to the eaves of the iconic Notre Dame Cathedral. With a live guide, learn the cathedral’s riveting history of the Ile de la Cité and Notre Dame de Paris throughout the ages. Get expert insight into the cathedral's somber accents and head up to the famous bell towers, where you will perch amongst the gargoyles for a splendid view of Paris. Book and Save 20% Off Skip the Line: Notre Dame Cathedral, Tower and Ile de la Cite Half-Day Walking Tour.