a partial list of NPS administered lands that i've visited
Park State Status Key  
Arches UT NP NP National Park  
Badlands SD NP NM National Monument  
Big Bend TX NP NRA National Recreation Area
Biscayne FL NP HS Historic Shrine  
Black Canyon Of The Gunnison CO NP  
Bryce Canyon UT NP  
Canyonlands UT NP  
Capitol Reef UT NP  
Carlsbad Caverns NM NP  
Channel Islands CA NP  
Crater Lake OR NP  
Cuyahoga Valley OH NP  
Death Valley CA NP  
Everglades FL NP  
Glacier MT NP  
Grand Canyon AZ NP  
Grand Teton WY NP  
Great Basin NV NP  
Great Sand Dunes CO NP  
Great Smoky Mountains TN, NC NP  
Guadalupe Mountains TX NP  
Haleakala HI NP  
Hot Springs AR NP  
Joshua Tree CA NP  
Kings Canyon CA NP  
Lassen CA NP  
Mammoth Cave KY NP  
Mesa Verde CO NP  
North Cascades WA NP  
Olympic WA NP  
Petrified Forest AZ NP  
Redwood CA NP  
Saguaro AZ NP  
Sequoia CA NP  
Shenandoah VA NP  
Teddy Roosevelt ND NP  
Wind Cave SD NP  
Yellowstone WY/MT/ID NP  
Yosemite CA NP  
Zion UT NP  
Banff BC Canadian NP  
Glacier BC Canadian NP  
Jasper BC Canadian NP  
Kootenay BC Canadian NP  
Mt. Revelstoke BC Canadian NP  
Yoho BC Canadian NP  
Aztec Ruins NM NM  
Canyon De Chelly AZ NM  
Colorado CO NM  
Devil's Postpile CA NM  
Dinosaur CO NM  
Hovenweep CO NM  
Natural Bridges UT NM  
Statue Of Liberty NY/NJ NM  
White Sands NM NM  
Fort McHenry MD NM/HS  
Golden Gate CA NRA  
Santa Monica Mountains CA NRA