4 hot springs stops across the guide.
Hot water pours off a ledge into pools at the edge of the South Fork Payette, a staircase down from the highway.
The pools belong to the state because the springs left the Fort Hall Reservation and Congress handed them to Idaho in 1902.
A twelve-mile playa in the rain shadow of Steens Mountain where, in December 1976, a deaf stuntwoman drove a rocket car to a women's land speed record she was not allowed to push past.
A hidden geothermal spring inside a 55-foot limestone dome