When visiting London, a quick trip to Paris is always an option. Thanks to the convenience of the Eurostar, international travel is quite simple.
If you are looking for an overnight trip to Paris from London, there is a great tour that includes fully-guided narration. There is also an escorted Paris day trip from London for those who wish to return to England the same day.
If you prefer to travel at your own pace, the Paris Free and Easy Day Trip is a great way to go. This tour takes you from London to Paris on the Eurostar and provides a hop on/hop off city tour around Paris, France. Visit the Champs-Elysées, Arc de Triomphe, Eiffel Tower, Notre Dame Cathedral on the banks of the River Seine, and the Louvre.