Craters of the Moon National Monument and Preserve is located in the Snake River Plain in central Idaho. It became a National Monument on May 2, 1924. In 2000, a presidential proclamation expanded the Monument area, and in 2002, it was designated a…

Craters of the Moon National Monument and Preserve is located in the Snake River Plain in central Idaho. It became a National Monument on May 2, 1924. In 2000, a presidential proclamation expanded the Monument area, and in 2002, it was designated a…

Sitting on a lava flow at Craters of the Moon National Monument, Idaho.