Chapter 1
The rise of a hidden metropolis
Chapter 2
Engineering with earth
Chapter 3
Daily life and cosmic games
Chapter 4
The mysterious decline and legacy
YOUR GOAL
Master of America's forgotten metropolis of Cahokia
Ch 4 · The mysterious decline and legacy

sonia A global cooling period starting around 1250 CE shortened growing seasons and triggered severe droughts.

sonia Clearing local forests for fuel and palisades caused massive soil erosion and devastating floods.

BETA
sonia Build colossal earthen mounds to discover how the ancient metropolis of Cahokia was engineered.
Fun Fact
Modern highways: In the mid-20th century, a drive-in movie theater and a highway were built directly on top of parts of Cahokia.
Glossary
abandonment (noun)
The act of completely leaving or deserting a place, person, or thing. By 1400 CE, residents completely vacated the metropolis of Cahokia due to mounting environmental pressures.
The act of completely leaving or deserting a place, person, or thing. By 1400 CE, residents completely vacated the metropolis of Cahokia due to mounting environmental pressures.
Quiz
What international organization recognized Cahokia Mounds' global cultural value by naming it a World Heritage Site in 1982?
Quiz
Which modern US metropolitan area is located directly across the river from the Cahokia site?
Quiz
Unlike the Maya or Romans, what building material did Cahokia's builders *not* use for their monuments?
Quiz
What major ecological disaster was triggered by clearing local forests for Cahokia's wood needs?
Quiz
What commercial structure was built directly on top of a portion of the Cahokia site in the 1950s?
