I did figure out its called a "via Ferrata" which means Iron Road. Googling that brings me to a place in Telluride but no directions as to where its actually located.
If I recall, "via Ferrata" refers to the type of trail that is (requiring clipping into the cable). Look up "Falls Walls" in Telluride. There's a via Ferrata section on that if I recall.
On edit:
I think I found it. Look up Telluride's Krogerata.