Olympic National Park: 47.842658, -123.533020

Glacier National Park: 48.765242, -113.799133

Congaree National Park: 33.798835, -80.761871

Great Smoky Mountains National Park: 35.673362, -83.512573

Mammoth Cave National Park: 37.231859, -86.142426

Crater Lake National Park: 43.020111, -122.121277

Lassen Volcanic National Park: 40.542400, -121.408539

Redwood National Park: 41.288539, -124.026031

Denali National Park: 63.614053, -150.908203

Kenai Fjords National Park: 59.997338, -149.842529

Great Basin National Park: 38.980763, -114.233093

Capitol Reef National Park: 38.211209, -111.169281

Bryce Canyon National Park: 37.601448, -112.180023

Zion National Park: 37.316660, -113.005714

Yellowstone National Park: 44.738930, -110.582886

Grand Teton National Park: 43.895913, -110.706482

Mount Rainier National Park: 46.937136, -121.723022

Death Valley National Park: 36.659606, -117.114258

Sequoia National Park: 36.560394, -118.556213

Kings Canyon National Park: 36.956476, -118.597412

Yosemite National Park: 37.924701, -119.520264

Pinnacles National Park: 36.512947, -121.183319

Glacier Bay National Park: 58.910319, -136.867676

Hot Springs National Park: 34.531308, -93.034973

Haleakala National Park: 20.730589, -156.205158

Hawaii Volcanoes National Park: 19.399249, -155.217590

Saguaro National Park: 32.261588, -110.617218

Petrified Forest National Park: 35.038992, -109.691620

Grand Canyon National Park: 36.288563, -112.123718

Cuyahoga Valley National Park: 41.246837, -81.570911

Shenandoah National Park: 38.530979, -78.427277

Voyageurs National Park: 48.452887, -92.832413

Isle Royale National Park: 48.029427, -88.893127

Arches National Park: 38.754083, -109.574890

Canyonlands National Park: 38.220920, -109.830322

Theodore Roosevelt National Park: 46.981658, -103.452759

Badlands National Park: 43.757209, -102.571106

Wind Cave National Park: 43.615200, -103.425293

Biscayne National Park: 25.542441, -80.240021

Everglades National Park: 25.527572, -80.875854

Dry Tortugas National Park: 24.691943, -82.865753

Rocky Mountain National Park: 40.403039, -105.720062

Black Canyon of the Gunnison National Park: 38.607213, -107.740173

Mesa Verde National Park: 37.277331, -108.455658

Great Sand Dunes National Park: 37.822802, -105.615692

Joshua Tree National Park: 33.957030, -115.864563

Channel Islands National Park: 34.066312, -119.594421

Lake Clark National Park: 60.339183, -154.158783

Katmai National Park: 58.705483, -155.022583

Wrangell St. Elias National Park: 61.417750, -142.229004

Big Bend National Park: 29.410890, -103.211060

Guadalupe Mountains National Park: 31.984783, -104.893341

Carlsbad Caverns National Park: 32.166313, -104.573364

National Park of American Samoa: -14.253402, -170.687370

Kobuk Valley National Park: 67.439121, -159.049072

Gates of the Arctic National Park: 67.908619, -153.226318

North Cascades National Park: 48.886392, -121.365967

Acadia National Park: 44.360188, -68.273849

Virgin Islands National Park: 18.340513, -64.739685

Indiana Dunes National Park: 41.656497, -87.025452

Gateway Arch National Park: 38.627164, -90.184386

White Sands National Park: 32.818441, -106.272125

New River Gorge National Park: 37.914104, -81.045456