Here is a list of Ken Burns' five favorite parks:
1. Yosemite National Park
2. Grand Canyon National Park
3. Yellowstone National Park
4. Arches National Park
5. Glacier National Park
Here is the readers' list of favorites from USA TODAY and 10BEST.COM (August 2014):
1. Acadia National Park
2. Glacier National Park
3. Yellowstone National Park
4. Yosemite National Park
5. Big Bend National Park
6. Grand Teton National Park
7. Everglades National Park
8. Blue Ridge Parkway
9. Zion National Park
10. Lassen Volcanic National Park
Here is Gram and Pops' list of favorite parks (in order):
1. Yosemite National Park
2. Grand Teton National Park
3. Olympic National Park
4. Grand Canyon National Park
5. Rocky Mountain National Park
6. Yellowstone National Park
7. Acadia National Park
8. Crater Lake National Park
9. Arches National Park
10. White Sands National Park
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Great Sand Dunes National Park
Bryce Canyon National Park
Mount Rainier National Park
Redwood National Park
Denali National Park
Kenai Fjords National Park
Shenandoah National Park
Glacier National Park
Hawaii Volcanoes National Park
Mesa Verde National Park
Zion National Park
Haleakala National Park
Death Valley National Park
Channel Islands National Park
Voyageurs National Park
Everglades National Park
Gateway Arch National Park
Biscayne National Park
Sequoia National Park
Saguaro National Park
Isle Royale National Park
Carlsbad Caverns National Park
Indiana Dunes National Park
Capitol Reef National Park
Dry Tortugas National Park
Hot Springs National Park
Mammoth Cave National Park
Wind Cave National Park
Big Bend National Park
Petrified Forest National Park
Black Canyon of the Gunnison National Park
Kings Canyon National Park
Great Smoky Mountains National Park
Pinnacles National Park
North Cascades National Park
Lassen Volcanic National Park
Canyonlands National Park
Congaree National Park
Badlands National Park
Guadalupe Mountains National Park
Joshua Tree National Park
Virgin Islands National Park
Theodore Roosevelt National Park
Wrangell-St. Elias National Park
Cuyahoga Valley National Park
Parks not yet visited:
Gates of the Arctic National Park
Glacier Bay National Park
Great Basin National Park
Katmai National Park
Kobuk Valley National Park
Lake Clark National Park
National Park of American Samoa