National parks
1. Yellowstone National Park (1872)
2. Sequoia National Park (1890)
3. Yosemite National Park (1890)
4. Mount Rainier National Park (1899)
5. Crater Lake National Park (1902)
6. Wind Cave National Park (1903)
7. Mesa Verde National Park (1906)
9. Rocky Mountain National Park (1915)
10. Hawai'i Volcanoes National Park (1916)
11. Lassen Volcanic National Park (1916)
12. Denali National Park (1917)
13. Acadia National Park (1919)
14. Grand Canyon National Park (1919)
15. Zion National Park (1919)
17. Bryce Canyon National Park (1928)
18. Grand Teton National Park (1929)
19. Carlsbad Caverns National Park (1930)
20. Everglades National Park (1934)
21. Great Smoky Mountains National Park (1934)
22. Shenandoah National Park (1935)
23. Olympic National Park (1938)
24. Kings Canyon National Park (1940)
26. Mammoth Cave National Park (1941)
28. Virgin Islands National Park (1956)
29. Haleakalā National Park (1961)
30. Petrified Forest National Park (1962)
31. Canyonlands National Park (1964)
33. Redwood National and State Parks (1968)
34. Arches National Park (1971)
35. Capitol Reef National Park (1971)
36. Guadalupe Mountains National Park (1966)
37. Voyaguers National Park (1975)
38. Badlands National Park (1978)
39. Theodore Roosevelt National Park (1978)
40. Channel Islands National Park (1980)
41. Biscayne National Park (1980)
44. Katmai National Park (1980)
45. Kenai Fjords National Park (1980)
47. Lake Clark National Park (1980)
49. Great Basin National Park (1986)
51. Day Tortugas National Park (1992)
52. Saguaro National Park (1994)
53. Death Valley National Park (1994)
54 . Joshua Tree National Park (1994)
55. Black Canyon of the Gunnison National Park (1999)
56. Cuyahoga Valley National Park (2000)
57. Congaree National Park (2003)
58. Great Sand Dunes National Park (2004)
59. Pinnacles National Park (2013)
60. Gateway Arch National Park (2018)
61. Indiana Dunes National Park (2019)
62. White Sands National Park (2019)
National Monuments
6. Muir Woods National Monument (1908)
16. Bandelier National Monument (1916)
32. Statue of Liberty National Monument (1924)
34. Fort McHenry National Monument and Historic Shrine (1925)
48. Effigy Mounds National Monument
51. Grand Portage National Monument
63. Mount St. Helens National Volcanic Monument (1982)
67. Petroglyph National Monument (1990)
74. Giant Sequoia National Monument (2000)
104. San Juan Islands National Monument (2013)