Really cool historic house/museum, highly recommend you check it out.
Cosmos Mystery Area
24040 Cosmos Road, Rapid City, SD 57702, (605) 343-9802
Really cool place to check out in the black hills, has areas that make you feel like the earth is crooked :) Went with my parents when I was young (Amber).
D.C. Booth Historic National Fish Hatchery & Archives