In honor of the 100th Anniversary of the founding of the National Park Service, I have listed below all of the parks that I have visited over the years and the approximate time frame.
| National Parks Service (80) | |||
| National Parks | State | Date | |
| National Parks (26 Visited) | |||
| 1 | Badlands | South Dakota | Sep-2008 |
| 1 | Biscayne | Florida | Jul-2017 |
| 1 | Black Canyon of the Gunnison | Colorado | Jun-2023 |
| 1 | Congaree | South Carolina | Apr-2025 |
| 1 | Crater Lake | Oregon | Jun-2023 |
| 1 | Dry Tortugas | Florida | Jan-2021 |
| 1 | Everglades | Florida | Jul-2011 |
| 1 | Gateway Arch | Missouri | Mar-1995 |
| 1 | Glacier | Montana | Sep-2008 |
| 1 | Grand Canyon | Arizona | Oct-2020 |
| 1 | Grand Teton | Wyoming | Jun-2008 |
| 1 | Great Basin | Nevada | Jul-2008 |
| 1 | Great Smoky Mountains | North Carolina, Tennessee | Jul-1965 |
| 1 | Indiana Dunes | Indiana | Jun-1905 |
| 1 | Mesa Verde | Colorado | Oct-2020 |
| 1 | Mount Rainier | Washington | Aug-2008 |
| 1 | New River Gorge | West Virginia | Apr-1996 |
| 1 | North Cascades | Washington | Sep-2008 |
| 1 | Olympic | Washington | Aug-2008 |
| 1 | Petrified Forest | Arizona | Oct-2020 |
| 1 | Redwood | California | Jul-2008 |
| 1 | Rocky Mountain | Colorado | Jun-2008 |
| 1 | Shenandoah | Virginia | Jul-1965 |
| 1 | Yellowstone | Wyoming, Montana, Idaho | Jun-2008 |
| 1 | Yosemite | California | Jul-2008 |
| 1 | Zion | Utah | Oct-2020 |
| National Battlefield Parks (3 Visited) | |||
| 1 | Kennesaw Mountain National Battlefield Park | Georgia | Apr-2001 |
| 1 | Richmond National Battlefield Park | Virginia | Jun-2024 |
| 1 | Petersburg National Battlefield | Virginia | Apr-2025 |
| National Historical Parks (12 Visited) | |||
| 1 | Abraham Lincoln Birthplace National Historical Park | Kentucky | Nov-2022 |
| 1 | Appomattox Court House National Historical Park | Virginia | Aug-1983 |
| 1 | Boston National Historical Park | Massachusetts | Jul-1981 |
| 1 | Cumberland Gap National Historical Park | Kentucky, Tennessee, Virginia | Nov-2022 |
| 1 | Dayton Aviation Heritage National Historical Park | Ohio | Mar-1990 |
| 1 | Fort Sumter and Fort Moultrie National Historical Park | South Carolina | Jul-1980 |
| 1 | Golden Spike National Historical Park | Utah | Jul-2008 |
| 1 | Jimmy Carter National Historical Park | Georgia | Nov-2022 |
| 1 | Lewis and Clark National Historical Park | Oregon, Washington | Aug-2008 |
| 1 | Natchez National Historical Park | Mississippi | May-2008 |
| 1 | San Francisco Maritime National Historical Park | California | Jul-2008 |
| National Historical Sites (9 Visited) | |||
| 1 | Andrew Johnson National Historic Site | Tennessee | Jun-2021 |
| 1 | Bent’s Old Fort National Historic Site | Colorado | Apr-2021 |
| 1 | Fort Point National Historic Site | California | Jul-2008 |
| 1 | Fort Scott National Historic Site | Kansas | Oct-2020 |
| 1 | Fort Smith National Historic Site | Arkansas, Oklahoma | Jun-2023 |
| 1 | Fort Vancouver National Historic Site | Washington, Oregon | Sep-2017 |
| 1 | Ninety Six National Historic Site | South Carolina | Sep-2019 |
| 1 | Tuskegee Airmen National Historic Site | Alabama | Nov-2024 |
| 1 | Tuskegee Institute National Historic Site | Alabama | Nov-2024 |
| National Memorials (6 Visited) | |||
| 1 | Jefferson National Expansion | Missouri | 1995 |
| 1 | Lincoln Memorial | Wash DC | 1965 |
| 1 | Mount Rushmore | South Dakota | Sep-08 |
| 1 | Thomas Jefferson Memorial | Wash DC | 1965 |
| 1 | Vietnam Veterans Memorial | Wash DC | Mar-03 |
| 1 | Washington Memorial | Wash DC | 1965 |
| National Military Parks (4 Visited) | |||
| 1 | Chickamauga and Chattanooga National Military Park | Georgia, Tennessee | Apr-2001 |
| 1 | Fredericksburg and Spotsylvania County Battlefields Memorial National Military Park | Virginia | Jul-1982 |
| 1 | Gettysburg National Military Park | Pennsylvania | Jul-1965 |
| 1 | Vicksburg National Military Park | Mississippi, Louisiana | Oct-2020 |
| National Monuments (14 Visited) | |||
| 1 | Aztec Ruins | New Mexico | May-2023 |
| 1 | California Coastal | California | Jul-2008 |
| 1 | Castillo de San Marcos | Florida | Jul-2009 |
| 1 | Chimney Rock | Colorado | Oct-2020 |
| 1 | Colorado | Colorado | Apr-2008 |
| 1 | Craters of the Moon | Idaho | Jul-2008 |
| 1 | Devils Tower | Wyoming | Sep-2008 |
| 1 | George Washington Carver | Missouri | Jun-2023 |
| 1 | Grand Staircase–Escalante | Utah | Oct-2020 |
| 1 | Little Bighorn Battlefield | Montana | Sep-2008 |
| 1 | Mount St. Helens Volcanic | Washington | Aug-2008 |
| 1 | Statue of Liberty | New York, New Jersey | Mar-2003 |
| 1 | Sunset Crater Volcano | Arizona | Oct-2020 |
| 1 | Wupatki | Arizona | Oct-2020 |
| National Preserves (2 Visited) | |||
| 1 | Big Cypress National Preserve | Florida | Jul-2011 |
| 1 | Craters of the Moon National Monument and Preserve | Idaho | Jul-2008 |
| National Scenic Trails (5 Visited) | |||
| 1 | Appalachian Trail | GA/NC/TN/VA | 1965 |
| 1 | Continental Divide | CO/MT/WY | 2008 |
| 1 | Florida Trail | Florida | 2006 |
| 1 | Natchez Trace | Mississippi | 2008 |
| 1 | Pacific Crest | CA/OR/WA | 2008 |