The United States of America is a country of immense scale and diversity, with a fascinating history and a culture that's shaped the modern world. From its bustling cities to its vast natural landscapes, the U.S. is a tapestry of different experiences, peoples, and innovations. It's the third most populous country in the world, with over 330 million people, and is the fourth-largest by land area. The capital is Washington, D.C., but the largest city is New York City.