Sioux Trading Post is a long-standing Native American store known as the nicest and a one-stop shop for anything South Dakota related. It offers a great selection of fairly priced merchandise, including gifts, clothes, teas, decorations, puzzles, and craft supplies for beading and quilling. Some botanicals are locally sourced. The store also features a lovely art gallery. Staff are very friendly and helpful, and they have a website for future browsing.