Google map with visited and unseen parks
https://www.google.com/maps/d/u/0/edit?mid=zJgjwuyP5Zu0.k0pzxWeyP0q8
2000 Yellowstone National Park, Wyoming
2001 Arches National Park, Utah
2009 Everglades National Park, Florida
2009 Saguaro National Park, Arizona (again in 2014, other part, with birds, during MM visit)
2009 Grand Canyon National Park, Arizona
2011 Glacier National Park, Montana
???? Great Smoky Mountains National Park, North Carolina and Tennessee
2012 Crater Lake National Park, Oregon
2012 Olympic National Park, Washington
2012 Mount Rainier National Park, Washington
2012 Redwood National Park, California
2013, 2014 Yosemite National Park, California (go again in summer to climb half dome)
2013 Sequoia National Park, California
2013, 2016-05 Kings Canyon National Park, California
2014 Pinnacles National Park, California
2014 Lassen Volcanic Park, California
2015 02 Joshua Tree National Park, California
2015 06 Shenandoah National Park, Virginia
2015 07 Channel Islands National Park, California -- (Anacapa and Santa Cruz Islands)
2015 12/2016 01 Death Valley National Park, California
2016 06 Zion National Park, Utah (subway + angel's landing) + 2021 07 03 (narrows + observation point)
2016 07 Haleakala National Park, Hawaii
2016 08 Hawaii Volcanoes National Park, Hawaii
2016 09 Bryce Canyon National Park, Utah
2020 09 Grand Teton National Park, Wyoming
2020 Canyonlands National Park, Utah
2021 03 Petrified Forest National Park, Arizona
2021 04 Mesa Verde National Park, Colorado
2021 04 White Sands National Park, New Mexico ( became NP in 2019)
2021 05 01 Guadalupe Mountains National Park, Texas
2021 05 02 Carlsbad Caverns National Park, New Mexico
2021 05 09 Great Sand Dunes National Park, Colorado
2021 05 16 Rocky Mountain National Park, Colorado (TODO: east entrance)
2021 05 23 Black Canyon of the Gunnison National Park, Colorado
2021 05 30 Capitol Reef National Park Utah
2021 06 06 Great Basin National Park, Nevada
todo
Big Bend National Park, Texas
Acadia National Park, Maine
American Samoa National Park, American Samoa Territory
Badlands National Park, South Dakota
Biscayne National Park, Florida
Congaree National Park, South Carolina
Cuyahoga Valley National Park, Ohio
Denali National Park, Alaska
Dry Tortugas National Park, Florida
Gates of the Arctic National Park, Alaska
Glacier Bay National Park, Alaska
Hot Springs National Park, Arkansas
Isle Royale National Park, Michigan
Katmai National Park, Alaska
Kenai Fjords National Park, Alaska
Kobuk Valley National Park, Alaska
Lake Clark National Park, Alaska
Mammoth Cave Park, Kentucky
North Cascades National Park, Washington
Theodore Roosevelt National Park, North Dakota
Virgin Islands National Park, US Virgin Islands
Voyageurs National Park, Minnesota
Wind Cave National Park, South Dakota
Wrangell-St. Elias National Park, Alaska