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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