You can discover a lot about scientific advances from going on a tour of a medical institution. Find out whether University of Colorado Hospital is open to visitors while you are in the area.
This health care institution, located in the commercial neighborhood of Fitzsimons, won't cost you a thing to visit. Up for more sightseeing adventures? Denver Zoo, Denver Museum of Nature and Science and Dicks Sporting Goods Park are nearby and also worth an excursion.