Tap a numbered dot and listen.
Into the caldera through the Roosevelt Arch: the Army years when cavalry ran Yellowstone, the 1871 Hayden Expedition and Thomas Moran's paintings that sold Congress on a park, the plumbing under Mammoth's terraces, and the supervolcano beneath it all — patient, monitored, misunderstood.
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.