Boise's capitol is the only state capitol in the country heated by geothermal water pumped up from underground.
Why it matters
Self-reliance, literally built into the heating system.
Nearby in Idaho
Nez Perce National Historical Park
Spalding, ID
Craters of the Moon National Monument
Arco, ID
Minidoka National Historic Site
Jerome, ID
Old Idaho Penitentiary
Boise, ID
Experimental Breeder Reactor I
Arco, ID
Old Mission State Park
Cataldo, ID