Colorado in September.

We will be staying at the Colorado Springs KOA on the 24-28th of September. We are planning to see the Chyanne Zoo, Pikes Peak, Garden of the Gods, Royal Gorge, Seven Falls, Cripple Creek, and if we have time head up to Denver to see the mint. Is there anything else we should consider seeing? Thanks for your help.
By the way if anyone wants to stop by, you are more than welcome.
By the way if anyone wants to stop by, you are more than welcome.