We used Southampton as the hoping off point to spend two days in London. London is a great place to explore. We took in Wicked at one of London's many theaters and it was a great show. We also took a day long Gray Line tour that allowed us to see most of London's landmarks. Our tour guide, Sandra (an Irish lass as she described herself) did a great job of keeping the group on schedule with lots of stops and information.
We took the Princess tour in Paris and Notre Dame cathedral. It was about a three hour drive each was (which we knew) so this did not leave a lot of time for taking in the landmarks. We got a lot of pictures through the bus window but we can say that we saw Paris!