The big cities throughout the country seem to all have a unique vibe and culture of their own. Among the most popular and diverse cities to Explore are New York City to the East and San Francisco to the West. These cities are favorites for travelers with a limited amount of time in the country, looking to get a good feel for what life on each coast is like. Tours of these cities and surrounding areas can be found easily and will give travelers an experience of a lifetime.Whichever city or region you choose to explore, it is likely that one trip will simply not be enough as this is one of the larger countries in the world and beckons for exploration. Choosing a tour that fits your own individual interests is the key here and this will ensure that your experience when touring the United States is an exciting and memorable one, producing an experience you can tell your friends and family about for years to come.