Be sure to explore the 14-mile Needles Highway, meandering among alpine meadows and forests and rolling past soaring granite spires shaped by eons of erosion.
South Dakota Highway 87 (SD 87) is a 37.894-mile-long (60.984 km) state highway in the southwestern part of the U.S. state of South Dakota. It travels through the Black Hills region. The highway's southern terminus is at...