The USA is the fourth largest country in the world. It has the Atlantic Ocean in the east and the Pacific Ocean in the west.
Moreover, the entire country is well connected by roads, railways, and airplanes. So, if you have a lot of time, then you can choose to drive a car around and visit all the places you want.
However, one can use the railways as well to visit different tourist destinations as we know the U.S. holds the largest railway network in the World. If you are short on time, the best way to travel would be to take a flight.
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