Lesson 901: Lee’s Ferry and into the Depths of the Grand Canyon Boating through the Grand Canyon with a group of water experts provides a setting for reflection on the Colorado River—its...
Lesson 902: The Depths of the Canyon and its Offspring Phantom Ranch, midway through the Grand Canyon and accessible only by trail, is the sole permanent settlement within the canyon....
Lesson 903: The Lower Colorado River: Dwindling Lifeblood of the Southwest Forty million people rely on water released from Lake Mead, on the Colorado River not far from Las Vegas. That...
Lesson 904: Wrangell-St. Elias National Park: Wilderness of Ice, Salmon, and Human History It’s our largest national park—larger than New England–and one-third of it is ice. One glacier is 137 miles long. The...
Lesson 905: Snakes and Culture in the Amazon The abundance of reptiles, especially snakes, in the Amazonian jungle is hardly surprising. Native cultures, far from fearing snakes, view...
Lesson 906: The Potters of Northwest Mexico—Past and Present Potters in northwest Mexico have been producing fine ceramics for more than a thousand years. Excavations at Paquimé, Chihuahua reveal...
Lesson 907: Re-claiming the Gulf in Baja California Only a few decades ago, Baja California was mostly unknow to the outside world, sparsely populated and difficult to visit...
Lesson 908: Brazil’s Butantan Institute – Where Venomous Critters find a Welcome Brazil is larger than the contiguous United States, and it is mostly tropical. It is not surprising that it is...
Lesson 909: Mexican Carnival Carnival or Mardi Gras is a time of parades and exuberant partying just before the forty days of Lent, when...
Lesson 910: Arizona’s Volcanic Heritage Arizona is not known for its active volcanoes, but its landscape is dominated by the products of millions of years...