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America's national monuments : the geologic West. [Volume 3], The historic Pacific Northwest: Minidoka Internment National Monument
09:28

America's national monuments : the geologic West. [Volume 3], The historic Pacific Northwest: Minidoka Internment National Monument

Minidoka Internment National Monument tells the shameful story of the internment of loyal Japanese Americans in WWII. Minidoka is dedicated to preserving the memory of internment camps that held interned Japanese Americans. These camps were set up b...

America's national monuments : the legacy of the Great Plains. [Volume 1], Geologic wonders of the northern plains: Devils Tower National Monument
09:03

America's national monuments : the legacy of the Great Plains. [Volume 1], Geologic wonders of the northern plains: Devils Tower National Monument

The geology of the Great Plains is a product of long epochs of sedimentary buildup followed by equally long epochs of erosion. The result today is a dramatic landscape of bluffs, pinnacles and badlands that contain the rich story of ancient sea crea...

America's national monuments : the legacy of the Great Plains. [Volume 1], Geologic wonders of the northern plains: Agate Fossil Beds National Monument
08:57

America's national monuments : the legacy of the Great Plains. [Volume 1], Geologic wonders of the northern plains: Agate Fossil Beds National Monument

The geology of the Great Plains is a product of long epochs of sedimentary buildup followed by equally long epochs of erosion. The result today is a dramatic landscape of bluffs, pinnacles and badlands that contain the rich story of ancient sea crea...

America's national monuments : the legacy of the Great Plains. [Volume 4], The southern plains: Alibates National Monument
09:46

America's national monuments : the legacy of the Great Plains. [Volume 4], The southern plains: Alibates National Monument

The Southern Plains are distinguished by short grass prairies ... hot, dry summers and cold, windy winters. But in spite of these tough climatic conditions, the area is rich in human history. Indeed, the Southern Plains are called the cradle of Nort...

Miracle of the human body: the respiratory system
28:47

Miracle of the human body: the respiratory system

Using the latest in 3-D graphics, medical imaging and cadaver specimens, see the human body’s respiratory system revealed in ways never seen before. Breathing brings oxygen, found in the air we live in, into a unique set of organs called the lungs...

America's national monuments : the geologic West. [Volume 2], The Pacific Northwest's ring of fire: Devils Postpile National Monument
10:20

America's national monuments : the geologic West. [Volume 2], The Pacific Northwest's ring of fire: Devils Postpile National Monument

This program tells the story of the Sierra Nevada Mountain Range and the history of the California gold rush.

America's national monuments : the geologic West. [Volume 4], The great biodiversity of the Pacific Northwest: Oregon Caves National Monument
16:57

America's national monuments : the geologic West. [Volume 4], The great biodiversity of the Pacific Northwest: Oregon Caves National Monument

At the Oregon Caves National Monument, spectacular cave geology is combined with the diversity of plants and animals to tell a unique story of the Pacific Northwest.

America's national monuments : the historic South. [Volume 1], Prehistoric American Indians: Ocmulgee National Monument
10:44

America's national monuments : the historic South. [Volume 1], Prehistoric American Indians: Ocmulgee National Monument

In the South are ruins of prehistoric cities rivaling any in the ancient world. They were built by Native American cultures living in the South. It is a largely unknown story ... a story you can learn by traveling to the region's three national monu...

America's national monuments : the historic South. [Volume 1], Prehistoric American Indians: Russell Cave National Monument
11:58

America's national monuments : the historic South. [Volume 1], Prehistoric American Indians: Russell Cave National Monument

In the South are ruins of prehistoric cities rivaling any in the ancient world. They were built by Native American cultures living in the South. It is a largely unknown story ... a story you can learn by traveling to the region's three national monu...

Ancient history: the Incas
29:00

Ancient history: the Incas

Six hundred years ago, in less than a century, the Inca people, located in present day Peru, forged an empire equal to that of the Greeks and Romans. They built their empire not by military conquest but by treaties, based on providing food for all t...