2019 TBD
2018 Everglades, Petrified Forest, Joshua Tree, Sequoia & Kings Canyon, Redwood, Olympic, Wrangell-St. Elias, Denali, Glacier, Theodore Roosevelt, Acadia, and Saguaro National Parks 
2017 Carlsbad Caverns, Guadalupe Mountains, Saguaro, Grand Canyon, Zion, Bryce Canyon, Arches, Canyonlands, Yellowstone, Grand Tetons, Rocky Mountain, and Hot Springs National Parks
2016 Badlands, Glacier, Acadia, Great Smoky Mountains, Biscayne, Dry Tortugas
​2015 Badlands, Glacier, Eastern National Monuments
2014 Badlands, Theodore Roosevelt, Yellowstone, Grand Tetons, Glacier, Wind Cave





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