Colorado, with Denver as its capital, spans 104,091 square miles and has a population of approximately 4.7 million. The state, known as 'the Centennial State,' is rich in natural resources like oil, coal, uranium, gold, and silver, and has a climate characterized by cold winters and warm summers. Key industries include aerospace, agriculture, and tourism, featuring attractions such as the Red Rocks Amphitheatre and Glenwood Caverns.