 Everglades – Florida (2010 & 2016)
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 Cuyahoga Valley – Ohio (2014 & 2024)
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 Sequoia – California (2013 & 2018)
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 Petrified Forest – Arizona (2013 & 2024)
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 Kings Canyon – California (2013 & 2018)
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 Crater Lake – Oregon (2013 & 2021)
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 Grand Canyon – Arizona (2008 & 2018)
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 Death Valley – California (2013 & 2021)
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 Great Basin – Nevada (2016 & 2018)
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 North Cascades – Washington (2011 & 2017)
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