Monday, August 29, 2016

Volcanoes: 10 national parks with explosive origins

5:18 AM  Unknown  No comments

From Hawaii Volcanoes to Yellowstone, the parks provide a look at the planet's inner heat.

     
 
 


from USATODAY - Travel Top Stories http://ift.tt/2bxp2AK
at 5:18 AM

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