Toward the end of the 13th century, something went terribly wrong among the Anasazi. What awful event forced the people to flee their homeland, never to return?
July 2003 | By David Roberts
Everything old is news again
July 2003 | By Carey Winfrey
Archaeological research at Cliff Palace resumes after 80 years. Surprises are the order of the day
February 1999 | By David Roberts