Mount Rainier National Park
In 1899, President William McKinley created the United States' fifth National Park with Mount Rainier National Park in Washington.
The National Park of American Samoa
The only National Park in the Southern Hemisphere on Ofu Island, the National Park of American Samoa was established Oct. 31, 1988.
North Cascades National Park Complex
Made up of three national parks units in Washington — the North Cascades National Park, Ross Lake National Recreation Area and Lake Chelan National Recreation Areas — the North Cascades National Park Service Complex was established Oct. 2, 1968.
Olympic National Park
On June 29, 1938, President Franklin Roosevelt created Olympic National Park in Washington.
Petrified Forest National Park
Over several years and thanks to both President Dwight D. Eisenhower and President John F. Kennedy, the Petrified Forest National Park in Arizona was created in 1962.
Pinnacles National Park
On Jan. 10, 2013, Pinnacles National Monument in California officially became a National Park.
Redwood National Park
Established in 1968, the Redwood National Park in California, combined with California's own Del Norte Coast, Jedediah Smith, and Prairie Creek Redwoods State Parks, consists of 133,000 acres.
Rocky Mountain National Park
Rocky Mountain National Park in Colorado became the 10th National Park in the United States on Jan. 26, 1915, thanks to the efforts of Enos Mills and President Woodrow Wilson.
Saguaro National Park
While President Hoover created a monument on March 1, 1933, Congress designated the site as Saguaro National Park on Oct. 14, 1994.
Sequoia National Park
On Sept. 25, 1890, Sequoia National Park in California was created.