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The Desert Speaks
Grand Canyon, The Human Touch
Season 15
Episode 1509
Host David Yetman joins his brother, geologist Dick Yetman, for an exploration of the traces of humans along the Colorado River and Grand Canyon region. They observe sacred salt mines from the boat, visit the intersection of the Little Colorado River with the main river, learn the history of rapids and spend time with scientists studying the effects of the Glen Canyon Dam.
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26:20
The Desert Speaks crew heads out to discover the secrets of Peru's Cloud Forest.
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26:20
Explore some of the enormous adobe pyramids that still tower over Peru.
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26:20
Host David Yetman and his brother descend into the heart of the Amazon Desert.
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26:19
The Desert Speaks travels to find out where desert treasures come from.
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26:19
Cruise through the second half of the deserts along Route 66.
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26:20
Join host David Yetman and ecologist Yar Petryszyn as they travel along Route 66.
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26:20
Host David Yetman makes a trek to discover more about the desert tortoise.
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26:19
Discover the ambitious Australian ecological restoration project - Gondwana Link.
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26:20
Explore the Alice Springs Desert Park in Central Australia.
26:20
Head down under to investigate the land of the Australian Wildlife Conservancy.
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26:20
Host David Yetman is joined by Bill Beezley to tour the vineyards of Baja.
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26:20
Explore how bat population density affects humans.