The small town of Arco is located close to Craters of the Moon National Monument and the Lost River Valley. But what makes it extra special is the fact that it was the first community in the world to be run on nuclear energy starting in 1951. The most prominent and visible feature is Number Hill where – since 1902 – each class of Butte County High School traditionally paints its graduation year on the face of the hill.
The town has a gas station, a lovely café, some spots to grab a bite and spend the night. A nearby attraction, besides Craters of the Moon, is the Experimental Breeder Reactor EBR-1 that started producing atomic energy in 1951 and is a historic site nowadays.