Over and above an abundance of natural resources, the USA also has some of the best and most advanced infrastructure in the world. Its research facilities have hardly any parallel around the globe and it boasts of some of the most significant and crucial breakthroughs in science, technology and art. With a population of over 325 million, USA is also home to some of the biggest companies in the world including a vast majority of Fortune 500 companies. All in all, the United States of America, represents the land of dreams for millions around the world.