Tap a numbered dot and listen.
Where the plains break against the Rocky Mountain Front: the Corps of Discovery's month-long portage around the falls, the Hi-Line homesteaders, Ivan Doig's landscapes, and the Niitsitapi — the Blackfeet — whose sovereignty over the Backbone of the World is the road's real subject.
In order along the route. Tap a dot on the map, or play them here.
Infinite Road draws from a library of primary sources — public-domain county histories, the WPA American Guide Series, National Register of Historic Places records, local records, and encyclopedic sources — then writes and narrates each story in its own words.