This is the first book in Top 10 series which will try to give an overview of the top 10 American cities by population.The United States is the world's third largest country in population and in area. It is the world's largest economy by nominal GDP, and the world's only super-power. It consists of 50 states and a federal district. The urban population in the United states is larger than it's ever been, in total and in proportion. Many of the country's most recognizable landmarks and institutions are found in its major cities. In this book you will learn about ten major US cities and find information on history, economy, geography, transportation, culture, sports and demographics.