Sixteenth Street looking toward State Capitol, Denver Colorado, Known as the Mile High City Denver looks up at every side toward mountains ranging from 7500 to 14225 feet in altitude. Here in Colorado are 325 peaks above the 10000 feet mark. Pikes Peak is 14019 feet tall, but at least 25 other peaks are still taller. This is truly the Land of Giants, Naturalcolor Postcard made in USA by E. C. Kropp Co. Milwaukee Wis.