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The intrepid travelers begin a thorough investigation into the weird, wild plants of Baja.
A trip through the Valley of Tehuacán to the ancient city of Oaxaca in southern Mexico.
A journey to Baja, California and then continuing south to further explore.
Catch a rare glimpse into the life, culture, and traditions of the native Mayo Indians.
In Baja, the musing and memories of the ancient people adorn the walls in a dry cave.
Evidence suggests that the ancestral Pueblo Indians accurately marked astronomical events.
A staple of the villages in the Valle de Tehuacán and nearby Oaxaca is the cactus.
Our journey to the highest desert in the world begins in Potosi, in southwestern Bolivia.
The wild, frigid desert of southwestern Bolivia is full of natural treasures.
Visit the the historic village of Santiago de K, high in the foothills of the Andes.
Extras
Appraisal: Victorian Slide Chain & Diamond Bracelet
Aaron Glantz and Sophie Hills discuss AI companies' efforts to influence the midterms.
October 27, 2026 - PBS News Hour full episode
News Wrap: AI giant Anthropic preparing for initial public offering
Candidates enter final week of campaigning with control of Congress at stake
Netanyahu faces Israeli voters in first election since Oct. 7 and Gaza war
Lula prevails in Brazil but Flávio Bolsonaro refuses to concede
How do you study a wetland when it isn't wet? Jordon and Rae enter a very dry Everglades.
Campaigns spend big to sway voters with increasingly personal attack ads
Student-led movement ousts Serbia's right-wing ruler in historic election
Over millions of years, geological formations have produced the Sonoran Desert.
The arduous journey of water through the Sonoran Desert Valley.
Explore the hottest and driest region of North America, just south of the border.
Some amazing research projects which help the wild inhabitants of the desert.
Spring in the Sonoran Desert is a time of beauty and abundant life.
Take a look at some fascinating ways people can learn about the desert.
Explore riparian areas surrounding the Colorado River.
Take a closer look a the animals and plants in and along the Sea of Cortez.
Explore some real desert islands where birds, plants and animals struggle to survive.