Your Experience Create your own sightseeing itinerary and easily get from one place to the next. Open Tour hop-on, hop-off bus tours are the ideal way to cover the entire city, while saving time and money. Open Tour buses operate across 3 routes and 34 stops. With the largest network of interconnected hop-on hop-off lines in Paris, conveniently explore the city's top attractions! The 3 routes include the blue line, white line, and red line. The most popular routes are the blue line (Louvre Museum, Champs Elysees, Orsay Museum, Arc de Triomphe, Eiffel Tower, plus more) and the white line (Montparnasse tower, Catacombs, Notre Dame Cathedral, plus more). View a map of all 3 routes here. 5 Must See Attractions Eiffel Tower - Blue Line, Stop 13# Widely regarded as the world’s most popular attraction, summit the Eiffel Tower to soak up the best views of the city. Explore tickets here. Musée d'Orsay - Blue Line, Stop #5 From Van Gogh to Monet, discover the world’s largest collection of impressionist and post-Impressionist masterpieces. Explore tickets here. Catacombs - White Line, Stop #21 Descend 20 meters below the bustling streets of Paris and explore the city’s mysterious network of tunnels holding the remains of over six million Parisians. Explore tickets here. Louvre - Blue Line, Stop# 4 From 4,000 year-old Egyptian artifacts to modern Oriental artwork, immerse yourself in over 380,000 pieces of art spread across 8 rooms at the world’s largest and second most-visited museum. Explore tickets here. Notre Dame - White Line, Stop #30 Step back in time at this stunning medieval Catholic cathedral and admire the stunning Romanesque architecture, sculptures, and stained glass. Explore tickets here.