We went along on London's new free bus tour specifically for dogs. The sightseeing tour went past some of the city's most famous landmarks, as well as popular dog-walking spots such as Hyde Park ...

After lunch, you'll travel by coach bus to Buckingham Palace to see ... Standout perk: You'll see many of London's key attractions in one day, and enjoy a river cruise thrown in for good measure.

Did you know that over 1 billion people travel annually, with sightseeing tours making up a major part of their experiences?