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The intrepid travelers begin a thorough investigation into the weird, wild plants of Baja.
A staple of the villages in the Valle de Tehuacán and nearby Oaxaca is the cactus.
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.
The wild, frigid desert of southwestern Bolivia is full of natural treasures.
Our journey to the highest desert in the world begins in Potosi, in southwestern Bolivia.
Visit the the historic village of Santiago de K, high in the foothills of the Andes.
Extras
Theodore Roosevelt Presidential Library celebrates his commitment to conservation
News Wrap: U.S. providing visas to Bolsonaro and family after loss in Brazil's election
Inside Georgia's push to rebuild trust in elections after Trump's false claims
Poll gauges voter enthusiasm for both parties a week before election
Democrats put economy and affordability at center of final campaign push
Projections show no clear winner in Israel's election
School principal documents Indonesia's worst wildfires in a decade
Why Trump's coalition of evangelical voters could be fraying
Artemizia Foundation, A New Path Forward, Recycling is no mystery in Bisbee, Thuy’s Noodle Shop.
Appraisal: Victorian Slide Chain & Diamond Bracelet
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.