Craters of the Moon National Monument and Preserve

Hours: The Monument and Preserve remains open all year, although winter snows prevent automobile access around the Loop Road from mid-November through mid-April. When the road is open, it remains open at all hours. The Visitor Center is open year-round from 8 a.m. to 4:30 p.m. daily. (8 a.m. to 6 p.m. from Memorial Day through Sept. 24); Closed on federal holidays during the winter.

A vast ocean of lava flows with scattered islands of cinder cones and sagebrush. A "weird and scenic landscape" where yesterday's volcanic events are likely to continue tomorrow.