Pacific Northwest & Alaskan Region
  1. Crater Lake

  2. Denali

  3. Gates of the Artic

  4. Glacier Bay

  5. Katmai

  6. Kenai Fjords

  7. Kobuk Valley

  8. Lake Clark

  9. Mount Rainier

  10. North Cascades

  11. Olympic 

  12. Wrangell-St. Elias

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Western Region
  1. American Samoa  

  2. Channel Islands

  3. Death Valley 

  4. Grand Canyon

  5. Great Basin

  6. Haleakala

  7. Hawaii Volcanoes

  8. Joshua Tree

  9. Kings Canyon

  10. Lassen Volcanic

  11. Petrified Forest

  12. Pinnacles

  13. Redwood

  14. Saguaro

  15. Sequoia

  16. Yosemite

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Rocky Mountain
Region
  1. Arches

  2. Badlands

  3. Black Canyon

  4. Bryce Canyon

  5. Canyonlands

  6. Capitol Reef

  7. Glacier

  8. Grand Teton

  9. Great Sand Dunes

  10. Mesa Verde

  11. Rocky Mountain

  12. Theodore Roosevelt

  13. Wind Cave

  14. Yellowstone   

  15. Zion 

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Midwest & Central Region
  1. Big Bend 

  2. Carlsbad Caverns

  3. Cuyahoga Valley

  4. Gateway Arch

  5. Guadalupe
    Mountains 

  6. Hot Springs

  7. Indiana Dunes

  8. Isle Royale

  9. Voyageurs

  10. White Sands

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Eastern Region
  1. Acadia

  2. Biscayne

  3. Congaree

  4. Dry Tortugas

  5. Everglades

  6. Great Smoky
    Mountains

  7. Mammoth Cave

  8. Shenandoah

  9. New River Gorge

  10. US Virgin Islands

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