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Mexican Carnival

Mexican Carnival

Season 9 Episode 909
26:46
Arizona Volcanoes

Arizona Volcanoes

Season 9 Episode 910
26:46
Slickrocks and Monuments in the Four Corners

Slickrocks and Monuments in the Four Corners

Season 10 Episode 1001
26:46
Ancient peoples of the Colorado Plateau

Ancient peoples of the Colorado Plateau

Season 10 Episode 1002
26:46
The Northern Jaguar Preserve

The Northern Jaguar Preserve

Season 10 Episode 1004
26:46
As the Waters of Lake Powell Recede

As the Waters of Lake Powell Recede

Season 10 Episode 1007
26:46
Christopher Columbus, his time and his plans

Christopher Columbus, his time and his plans

Season 10 Episode 1009
26:46
1492: Americans Discover Europe

1492: Americans Discover Europe

Season 10 Episode 1010
26:46
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In the America's with David Yetman

Brazil’s Butantan Institute

Season 9 Episode 908

Brazil is home to a host of venomous critters, mostly scorpions, spiders, and snakes. Each year many tens of thousands of Brazilians are stung or bitten and require treatment. Many owe their lives to antivenin produced by the Butantan Institute in São Paulo. It’s home to hundreds of thousands of venomous creatures, all contributing to the protection of human lives.

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Re-claiming the Gulf in Baja California
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26:46
The arrival of crowds and developers threaten unusual features of Baja California.
Snakes and Culture in the Amazon
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26:46
Native cultures view snakes as spiritually significant elements of nature.
Wrangell-St. Elias National Park
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26:46
Our largest national park has become an important natural laboratory.
The Lower Colorado River
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26:46
The once-great Colorado River faces a dried-out future as more rely on its resources.
The Depths of the Canyon and its Offspring
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26:46
Phantom Ranch, accessible only by trail, is the Grand Canyon's sole permanent settlement.
Lee’s Ferry and Into the Depths of the Grand Canyon
26:46
Boating through the Grand Canyon provides a setting for reflection on the Colorado River.
Tlaloc's Revenge: Mexico City's Hydrological Heritage
26:46
One of the world's greatest cities deals with falling water tables and sinking earth.
Galápagos: Volcanoes and nature on the island.
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26:46
Explore the volcanoes created the Galápagos Islands.
Havana: Cultural treasure house of the Caribbean
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26:46
Discover Cuba's capital city, Havana.
Galápagos: The great climatic seesaw
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26:46
Explore the never-ending race to survive climate changes in the Galapagos Islands.
The Blue Ridge Parkway: From Virginia to North Carolina
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26:46
Travel along the 500-mile-long Blue Ridge Parkway, part of our national park system.
Dry Times in the Southwest: the new realities
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26:46
Explore how cities and countryside adapt to drought in the American Southwest.
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