
Access to this video is a benefit for members through
Back to Show
The Desert Speaks
Medieval Drought In The Southwest
Season 16
Episode 1611
Between roughly 900 and 1260 AD there was a massive drought that severely impacted the plants, animals and people of the Southwest. David Yetman observes how scientists use tree rings to gather evidence from thousands of years ago. Examine the ruins of some of the people most affected by the drought, the Anasazi Indians. Trek through a “ghost forest” for a first-hand look at “yoda” trees.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

Unlock with PBS Passport
26:20
Journey through the valley of the Rio Sonora.

Unlock with PBS Passport
26:19
The final episode in the Galapagos Islands features some of the “newer” islands.

Unlock with PBS Passport
26:20
Continue your journey through the Galapagos Island.
Journey to the Galapagos Islands to discover native wildlife.

Unlock with PBS Passport
26:20
Renowned architect Bob Vint examines the unifying characteristics of plazas.
Host David Yetman hops into a motorcycle sidecar to explore Wyoming’s Red Desert

Unlock with PBS Passport
26:20
Travel through the desert with the inventor of goat packing, John Mionczynski.

Unlock with PBS Passport
26:14
Learn how Tohono O’Odham tribal members are passing down traditions.

Unlock with PBS Passport
26:14
Take a trip down the Green River in Utah and to Dinosaur National Monument.

Unlock with PBS Passport
26:14
Explore Andean Condors and learn their ritualistic significance to native people.

Unlock with PBS Passport
26:14
Examine pre-Incan ruins before venturing to the skies for a view of the Nazca lines.

Unlock with PBS Passport
26:14
Explore some of the largest dune fields in North America.