Aboriginal (Native American) Star Knowledge http://kstrom.net/isk/stars/
Native American constellations. Lakota constellations related to Black Hills features, ceremonial observations. Stone medicine wheels -- solar-stellar observatories -- the first (analog) computers. Naked-eye astronomy. Crab nebula supernova. Sun Dagger.
Ethnoastronomy of the Lakota http://faculty.normandale.edu/~physics/Hollabaugh/Lakota/default.htm
Research on the astronomy of the Lakota people as well as general information on archaeoastronomy and ethnoastronomy.
Stones of Wonder http://www.stonesofwonder.com/
Stones of Wonder is a unique guide to the astronomical alignments built into the ancient standing stones, stone circles and cairns of Scotland. All the sites are illustrated, and the guide includes suggestions for the best times of year to visit.