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Beyond the Asphalt Part 1

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Season 19 Episode 1904
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The Desert Speaks

The Gadsden Purchase, Part 2

Season 19 Episode 1902

Beginning at the San Pedro River and heading west, journey through some of natural wonders that would not be part of the United States if it hadn't been for the Gadsden Purchase. The crew travels through the hard-core desert of Organ Pipe Cactus National Monument, and visit the historic desert oasis, Quitobaquito Springs before finishing off their trip at the Colorado River near Yuma.

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Hummingbirds: From Desert to Jungle
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This episode examines the life of the hummingbird.
Ecuador's Fog Fprest: Mists over the Desert
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Travel to the agrarian community of Loma Alta, Ecuador.
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Journey from Chiclayo upwards to the town of Cajamarca.
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Ecologist Jim Cornett joins David Yetman for a look around Coachella Valley.
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Travel through Michoacán to explore its coast, diverse habitats and local traditions.
Passions of the Pitaya
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Travel to a festival dedicated to cactus fruit in an area southwest of Guadalajara.
Tequilia: Exploring the Legend
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Travel to Jalisco, Mexico to explore how agave is gronwn, harvest and tequila is made
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Discover a relatively unexplored area of northwestern Arizona.
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Visit one of the few inhabited islands in the Galapagos.
Of Drought And Fire
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Explore how scientists study the adaptability of desert plants to droughts.
Medieval Drought In The Southwest
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Discover how scientists use tree rings to gather evidence of climate conditions.
The People Of Peru's Cloud Forest
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The Desert Speaks crew heads out to discover the secrets of Peru's Cloud Forest.
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