This spectacular civilization built into massive stone cliffs is full of secrets. In Deep Space, you can explore the archeological site of a highly developed American Indian tribe, the Anasazis. Protected as a national park, Mesa Verde is silent testimony to the unique social community that settled on this “green plateau” in the 6th century.

credit: CyArk (Sponsored by: Kacyra Family Foundation (KFF), Pring Turner Capital Group / Joe Turner, KCET, PBS, Wired Science and National Center for Preservation Technology and Training (NCPTT))