800px-Casa_Rinconada-copyright-1998-wiki-user-HJPD March 15, 2013← Return to Ancient Sacred Sites Aligned to the Summer Solstice‹›The giant kiva in Chaco Canyon, whose window let in the light of the summer solstice sunrise. Kivas were sacred circular temples which had thatched ceilings. (photo copyright 1998 wiki user HJPD)