The historic downtown Denver cable-car building that housed the Old Spaghetti Factory for more than four decades will go through another major transformation next year, becoming a gathering spot where people can play miniature golf while sipping on drinks and noshing on food.
Urban Putt, a concept that launched in San Francisco in 2014, will open just its second location next summer in the Denver City Cable Railway Building at 18th and Lawrence streets. It replaces the spaghetti chain that had occupied…