As of 2023, I have been to 38 of the 63 National Parks. Here is the list of parks in the order they were visited.

• Great Smoky Mountains National Park, North Carolina and Tennessee

• Hawaii Volcanoes National Park, Hawaii

• Acadia National Park, Maine

• Mount Rainier National Park, Washington

• Dry Tortugas National Park, Florida

• Everglades National Park, Florida

• Grand Teton National Park, Wyoming

• Shenandoah National Park, Virginia

• Yellowstone National Park, Wyoming

• Arches National Park, Utah

• Black Canyon of the Gunnison National Park, Colorado

• Bryce Canyon National Park, Utah

• Canyonlands National Park, Utah

• Capitol Reef National Park, Utah

• Grand Canyon National Park, Arizona

• Great Basin National Park, Nevada

• Mesa Verde National Park, Colorado

• Petrified Forest National Park, Arizona

• Zion National Park, Utah

• Congaree National Park, South Carolina

• North Cascades National Park, Washington

• Olympic National Park, Washington

• Kings Canyon National Park, California

• Pinnacles National Park, California

• Sequoia National Park, California

• Yosemite National Park, California

• Death Valley National Park, California and Nevada

• Joshua Tree National Park, California

• Great Sand Dunes National Park, Colorado

• Rocky Mountain National Park, Colorado

• New River Gorge National Park, West Virgina

• Cuyahoga Valley National Park, Ohio

• Gateway Arch, Missouri

• Indiana Dunes, Indiana

• Mammoth Cave Park, Kentucky

• Crater Lake National Park, Oregon

• Lassen Volcanic Park, California

• Redwood National Park, California

Here are the National Parks left to visit.

• Wind Cave National Park, South Dakota

• Glacier National Park, Montana

• Hot Springs National Park, Arkansas

• Badlands National Park, South Dakota

• Carlsbad Caverns National Park, New Mexico

• Isle Royale National Park, Michigan

• Big Bend National Park, Texas

• Virgin Islands National Park, US Virgin Islands

• Haleakala National Park, Hawaii

• Guadalupe Mountains National Park, Texas

• Voyageurs National Park, Minnesota

• Theodore Roosevelt National Park, North Dakota

• Biscayne National Park, Florida

• Channel Islands National Park, California

• Denali National Park, Alaska

• Gates of the Arctic National Park, Alaska

• Glacier Bay National Park, Alaska

• Katmai National Park, Alaska

• Kenai Fjords National Park, Alaska

• Kobuk Valley National Park, Alaska

• Lake Clark National Park, Alaska

• Wrangell-St. Elias National Park, Alaska

• American Samoa National Park, American Samoa Territory

• Saguaro National Park, Arizona