Denver, called also the Mile High City, is a city located on the frontier between the American Wild West and the Great Plains, in the state of Colorado. The city is modern and a great place to take a walk in the beautifully landscaped city parks reach over 200. Tree-lined Boulevards and stunning architecture await you in Denver. Historic buildings side by side with modern impressive skyscrapers add to the city charm. Watch our video to discover Denver, Colorado,.