Embark on a 15-hour day trip from London to Paris by high-speed train. Your guide will show you the best sights on a panoramic city tour, including the Arc de Triomphe and Moulin Rouge. Then, take a 1-hour cruise along the Seine River to see the sights from the water. In the afternoon, you will have free time to adventure on your own before returning to London. This is a shared tour with an average of 50 travelers in the group.