A long, mountainous passage connects North and South America. Here, hundreds of thousands of species live in one of the richest and most diverse places on earth - the Caribbean rainforests.
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- Ch 401Silk RoadThe Silk Road influenced the great civilizations of China, India, Ancient Egypt, Persia, Arabia, and Ancient Rome. The Silk Road was filmed by award-winning filmmaker Marlin Darrah, and crew. Filmed in high definition.Wild National ParksFrom grizzly bears of Katmai National Park in Alaska to rattlesnakes of Montezuma's Castle in Arizona, answer the call of America's wildest national parks. By land, sea, and sky, crisscross parklands and get up close to creatures of all shapes and sizes. Dedicated national park workers also reveal what it takes to nurture generation after generation of these magnificent creatures.