USA is the third largest country in the world, home to several of the world's most thrilling cities, a powerful sense of regionalism, a incisive mythology, more history than the country gives itself credit for and, arguably, some of the most sociable natives in the world. The United States is organically bound by Canada and Mexico in North and South as well as by North Atlantic Ocean and North Pacific Ocean in the East and West respectively. It is also a nation of many ethnicities and new cultural and political values.