Archaeologist Allen Dart leads a winter solstice tour of Los Morteros, an ancient village with a Hohokam ball court, and other sites, from 8 a.m. to noon, Saturday, Dec. 21; $15, $12 member of Old Pueblo Archaeology Center or Pueblo Grande Museum Auxiliary. The tour departs from the corner of Silverbell Road and Linda Vista Boulevard. Reservations are required. Call 798-1201, or email info@oldpueblo.org for more information.