02: Monumental Architecture: Evidence of a societal collapse

Collapsed societies like the Mayans and Rapa Nui (Easter Island) left behind monumental architecture that inspires wonder and curiosity. These abandoned architectures often have a haunting quality causing modern-day visitors to question how these societies could collapse after such great achievement.

Even Arizona has monumental architecture left by a collapsed society: the Hohokam.

Could we be forced to abandon our own cities? Could we fall victim to a human created ecological disaster?