Have you ever seen a nuclear reactor? Ever wonder how electricity is generated from nuclear energy? Satisfy your curiosity by visiting the Experimental Breeder Reactor-I (EBR-I) Atomic Museum, located on Highway 20-26 between Idaho Falls and Arco (see map). The facility, a National Historic Landmark where usable electricity was first generated from nuclear energy in 1951, is open to the public from Memorial Day weekend through Labor day weekend - seven days a week - from 9am to 5pm. Admission is free. You'll see four nuclear reactors, including two aircraft nuclear propulsion prototypes, a reactor control room, remote handling devices for radioactive materials, radiation detection equipment, and much more. You'll learn how electricity is produced from splitting atoms and see numerous explanatory displays and exhibits. You can walk through the plant using the printed tour instructions, or take a guided tour with one of the summer season tour guides.


U.S. Highway 20-26 between Idaho Falls and Arco


Map available at

Nearest City


Mailing Address

PO Box 1625
Idaho Falls ID, 83415
Toll Free (866) 495-7440

Attraction Type(s)




Open 7 days a week from Memorial Day weekend - Labor Day weekend from 9am to 5pm After Labor Day weekend, group tours can be scheduled for weekdays by calling 208-526-0050.




Motor Coach Parking, Parking, Restrooms, Visitor Center

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