Welcome to the charming town of Arco, Idaho, founded in 1901 and home to just under 2,533 residents. Known as the first city in the world to be lit by nuclear power, Arco boasts a rich history and stunning natural beauty. This hidden gem is surrounded by the breathtaking scenery of the Lost River Valley and is a gateway to the Craters of the Moon National Monument. Sister cities of Arco include Challis, Idaho and Gubbio, Italy.
