National Monument in Southwest Idaho
Name: Craters of the Moon National Monument & Preserve
Street Address: US-26
City, State  Zip: Arco, Idaho  83213
Counties: Blaine, Butte
Phone: (208) 527-1300
Website: https://www.nps.gov/crmo/index.htm
External Link: Craters of the Moon National Monument & Preserve
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Name: Hagerman Fossil Beds National Monument
Street Address: 221 N State St
City, State  Zip: Hagerman, Idaho  83332
County: Gooding
Phone: (208) 933-4100
Website: https://www.nps.gov/hafo/index.htm
External Link: Hagerman Fossil Beds National Monument
Google Map It: Map