You can travel the world in many ways, by plane, by ship or even in a hot-air balloon, they are all fascinating. You can also travel using the pages of this book, rich with unique maps, details of monuments and buildings in the most spectacular cities: London, Paris, New York and many other metropolis scattered around the world, to be visited not as tourists but seeking out the unique nature of each extraordinary place. In addition to the many curiosities and anecdotes, you will discover in every city many `pint-sized' activities for children. Are you ready for an adventure?