Great Plains to the east.
With its dramatic mountaintops and snow fed rushing streams, Colorado is as beautiful as one would imagine or hope. It attracts lovers of beauty and recreation from around the world. In Aspen many of them, if not most, fly in and out on private jets.
While Aspen was beautiful and upscale and Boulder near Denver was hip and young, I preferred the relaxed town of Salida in Southern Colorado, which was down to earth, surrounded by natural beauty and quickly being revitalized by artists.