Welcome to the Rocky Mountain Arsenal National Wildlife Refuge!! If you fly into DIA this place should be one of the first visits on your check list. Home to a large heard of Bison, Deer, Bald Eagles and other interesting plains creatures including the black-footed ferrit. Stop by the visitors center and read up on some of Colorados history. They even have a gift shop! Take a drive through the refuge on the 11 mile long Wildlife Drive oh take a walk on one of the many trails. There are sight maps available as you enter the refuge. Happy hunting!!
The Visitor Center is open Wednesdays - Sundays from 9:00 am to 4:00 pm (closed on Mondays and Tuesdays, and all federal holidays)
https://www.fws.gov/refuge/rocky_mountain_arsenal/
Satellite image of the location has not been updated in a while for this site so go with your gut and trust the hint to help you. - Happy hunting