© 2025 Connecticut Public

FCC Public Inspection Files:
WEDH · WEDN · WEDW · WEDY
WEDW-FM · WNPR · WPKT · WRLI-FM
Public Files Contact · ATSC 3.0 FAQ
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations

What Happened to America’s First Megacity?

Season 2 Episode 6 | 12m 24s

In its prime, Cahokia was a prosperous city with a population similar to London’s. But this sprawling Native American metropolis from the Mississippian culture vanished long before Europeans arrived in North America. What happened? Now, cutting-edge scientific research offers a glimmer of hope in unraveling the mystery of Cahokia's disappearance.

Aired: 11/21/24
Extras
Grantchester Season 10 premieres Sunday, June 15, 9/8c on MASTERPIECE on PBS.
On the plains of South Africa, an army of dung beetles recycle the dung of large mammals.
Ummat Somjee goes to Thailand to observe the cultural tradition of fighting beetles.
An intimate portrayal of three families confronting the unique challenges of Alzheimer’s.
Gavin Svenson heads to the Brazilian rainforest to sample the diversity of mantises.
Dragonfly expert Jessica Ware heads to Guyuna to sample dragonfly diversity.
Nancy’s wedding plans take a surprising turn. Sister Catherine takes her First Vows.
David Henry Hwang (Daniel Dae Kim) brings Marcus G. (Ryan Eggold) to a talkback.
David Henry Hwang (Daniel Dae Kim) shares a phone call with his father.
Forensic science is put to the test after the first-ever staged multi-vehicle pileup.
Latest Episodes
All
  • All
  • Overview Season 2
  • Overview Season 1
The Caribbean town of Plymouth lies frozen in the ash of a devastating volcano.
Meet the axolotl, Mexico City’s endangered, smiling salamander.
North Carolina’s Outer Banks may be one of the most dangerous coastlines in the world.
Florida's once endangered crocodiles are making a very unlikely comeback!
Scientists find the exact time of a massive quake using trees, soil and human records.
What happened to the once lush, now desert-like Colorado River Delta?
How is this groundbreaking experiment in Ecuador helping deforested rainforests recover?
Sea otters play a vital role in maintaining the balance of sensitive kelp forests.
Exploring LIDAR: Tech using lasers to reveal the deep history beneath our world’s surface.
Joe visits the world’s largest crane, an engineering feat helping to fight climate change.