There are 423 national park sites (as of February 2023) spanning into each state and territories in the United States. Out of the 423 sites, there are 63 parks that include the word “National Park” in its name.
Pacific (WA/OR/CA)
- California – Channel Islands National Park
- California – Death Valley National Park
- California – Joshua Tree National Park
- California – Lassen Volcanic National Park
- California – Pinnacles National Park
- California – Redwood National Park
- California – Sequoia and Kings Canyon
- California – Yosemite National Park
- Oregon – Crater Lake National Park
- Washington – Olympic National Park
- Washington – Mount Rainier National Park
- Washington – North Cascades National Park
Southwest (AZ,NV,UT,NM,TX)
- Arizona – Grand Canyon National Park
- Arizona – Petrified Forest National Park
- Arizona – Saguaro National Park
- Nevada – Great Basin National Park
- New Mexico – Carlsbad Caverns National Park
- New Mexico – White Sands National Park
- Texas – Big Bend National Park
- Texas – Guadalupe Mountains National Park
- Utah – Zion National Park National Park
- Utah – Bryce Canyon National Park
- Utah – Capitol Reef National Park
- Utah – Arches National Park
- Utah – Canyonlands National Park
Rocky Mountains (CO/WY/MT/ND/SD)
- Colorado – Black Canyon of the Gunnison National Park
- Colorado – Great Sand Dunes National Park
- Colorado – Mesa Verde National Park
- Colorado – Rocky Mountain National Park
- Wyoming – Yellowstone National Park
- Wyoming – Grand Teton National Park
- Montana – Glacier National Park
- North Dakota – Theodore Rosevelt National Park
- South Dakota – Badlands National Park
- South Dakota – Wind Cave National Park
Northeast
- Maine – Acadia National Park
- Ohio – Cuyahoga Valley National Park
- Indiana – Indiana Dunes National Park
- Michigan – Isle Royale National Park
- Minnesota – Voyageurs National Park
Southeast (TN/NC/VA/KY/WY/MO/AR/SC/FL)
- Tennessee – Great Smoky Mountains National Park
- Virginia – Shenandoah National Park
- Kentucky – Mammoth Cave National Park
- West Virginia – New River Gorge National Park
- Missouri – Gateway Arch National Park
- Arkansas – Hot Springs National Park
- South Carolina – Congaree National Park
- Florida – Everglades National Park
- Florida – Dry Tortugas National Park
- Florida – Everglades National Park
Hawaii and Islands
- Hawaii – Haleakala National Park
- Hawaii – Hawai’i Volcanoes National Park
- American Samoa – National Park of America Samoa