5 Unexplained Mysteries + Legends About U.S. National Parks
Have you heard of these?
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Hidden treasure in Yellowstone? A ghost in Yosemite? UFOs in the North Cascades National Park? America's national parks hold many secrets. Watch the video above to learn about five most popular mysteries and legends.
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Carlsbad Caverns National Park, New Mexico
Entering any of Carlsbad Caverns' 113 caves is like entering a larger-than-life sandcastle, where drips of sand have been changed into a twisting structure of peaks and spires.
Yosemite National Park, California
Yosemite Valley is home to most of the park's largest attractions, including El Capitan, Upper Yosemite Waterfall, the sequoias, Glacier Point and Bridalveil Falls.