Fort Union Trading Post, North Dakota. Plains tribes traded furs and buffalo robes for blankets, guns and other manufactured goods.
Replica of the San Jose Electric Tower at the History Park in Kelly Park.
Arco, Idaho was the first city powered by atomic power–if only for a few minutes. Electricity generated by the nearby Argonne National Laboratory powered the city in July 1955.
See more photos of Arco at my Exploring the New Deal blog.