Probably the Grand Canyon National Park or Yellowstone National Park. Actually according to the National Park Service the Great Smokey Mountins are the most visited. You can check their website at: http://www.nps.gov/grsm/
yellowstone is of the most popular national parks
Everglades National Park and Biscayne National Park are the most popular national parks in Florida.
royal national park
Yosemite National Park.
Desoto
The most popular landscape in the world is the Banff National Park in Canada.
Yosemite National Park
Based on the number of visitors, the most popular National parks in the United States are The Great Smoking Mountains National Park, in Tennessee; The Grand Canyon National Park, in Arizona; Yosemite National Park, in California; Yellowstone National Park, in Wyoming; and Olympic National Park, in Washington.
There are a variety of national landmarks which are popular vacation locations. Some examples include the Grand Canyon, Yellowstone National Park, and Yosemite National Park.
Yosemite National Park is located in Northern California:]
10. Acadia National Park 9. Everglades 8. Arches National Park 7. Crater Lake National Park 6. Yosemite National Park 5. Grand Canyon National Park 4. Hawaii Volcanoes National Park 3. Bryce Canyon National Park 2. Yellowstone National Park 1. Death Valley National Park
Yosemite National Park is one of the most popular national parks in the world. Over 4 million visitors explore the park each year. Most stay in the valley, but some adventurous souls go to the north of the park for an overnight trip.