My friends and I purchased the London pass in July 2012. Our only regret was not ordering it early enough, so we had to pick it up in person. Luckily, with the help of some friendly Brits we were able to find the kiosk without too much hassle, and we got to see some major sites along the way from our hotel (Buckingham Palace, gardens, National Gallery, Trafalgar Square). From there we pre-planned and amazing itinerary and got to see almost all of our highlights in one day (our plane was delayed so we lost a full day prior) our favorites were Westminster Abbey, Tower of London, London Bridge Experience, Thames River Cruise. Overall we did end up saving money, and also saved a lot of time not having to buy tickets. I would purchase the pass again for sure! Unfortunately, I cannot say the same for the Paris Pass.
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