National Geographic - Secret Yellowstone
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This is Yellowstone National Park. Millions of visitors have seen the bubbling mud pots and clockwork geysers - but beyond the boardwalk, there's a wilderness few have experienced. The ""back country"" makes up most of Yellowstone's two million acres. It's a giant swatch of terrain - much of it remote, some of it dangerous, all of it commanding awe and respect. Here wolves, bison and bears roam freely and towering new waterfalls wait to be discovered. Yellowstone is an ever-changing geological cauldron of magma, fumaroles, boiling hot springs and poisonous gases.
Discover spectacular wonders unseen by tourists, as you venture off the beaten track to experience the extraordinary hidden wilderness of Yellowstone National Park. Probe the vast molten magma chamber that underlies the park and powers its incredible array of explosive geysers, seething mud pots and toxic gas vents.
Featuring striking satellite imagery and dynamic computer-generated animation, this is Yellowstone as you've never seen or imagined it before!
Sound: Dolby Digital
Running Time: 52 minutes
Main Language: English