Saturday, May 14, 2011
Yellowstone National Park--The world’s first national park
The world’s first national park, established in 1872, is known for its geothermal features, most notably Old Faithful Geyser. Located in the central Rocky Mountains, Yellowstone features more than 300 geysers, along with hot springs, mud volcanoes (also called paint pots) and fumaroles (vents that release gas and steam).
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