A competition powwow highlights this event featuring singing, dancing and crafts of 150 tribal nations, from noon to 10 p.m., Friday, Dec. 31 and Saturday, Jan. 1, and from noon to 6 p.m., Sunday, Jan 2. $8; free to children ages eight and under, military personnel with ID, and Indians wearing traditional dress. Call 622-4900 or visit www.usaindianinfo.org for information.