This rugged landscape features cinder cones, spatter cones and lava tube caves formed from volcanic activity in the Great Rift, a series of cracks in the Earth that runs over a stretch of 52 miles. In 1969, astronauts traveled to this region to explore its geology and learn how to identify scientifically valuable specimens for their Apollo voyage. Today, visitors can hike through unusual volcanic terrain, including the short but steep path to the top of the Inferno Cone where panoramic views can stretch as far as the Teton Range 100 miles east.

Protect the solemn solitude of Minidoka and Craters of the Moon

Minidoka National Historic Site and Craters of the Moon National Monument and Preserve in central Idaho are two places where solitude and seclusion are prized. But an industrial development between these two parks would bring massive wind turbines, roads, noise and power lines -- intrusions into places that deserve to be protected.

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