Happy 100th Birthday! US National Parks in Photos

Shenandoah National Park

shenandoah National park national park service

(Image credit: National Park Service)

Shenandoah National Park in Virginia was designated as part of the National Parks System on Dec. 26, 1935.

Theodore Roosevelt National Park

Theodore Roosevelt National Park national park service

(Image credit: National Park Service)

In 1947, the Theodore Roosevelt National Park in North Dakota was established by President Truman; it is the only National Memorial Park ever created.

Virgin Islands National Park

Virgin Islands National Park anniversary

(Image credit: NPS)

Virgin Islands National Park, comprised of the majority of two islands, was created on Aug. 2, 1956.

Voyageurs National Park

Voyageurs National Park national park service

(Image credit: National Park Service)

Voyageurs National Park in Minnesota was established on April 8, 1975.

Wind Cave National Park

Wind Cave National Park anniversary

(Image credit: NPS)

In western South Dakota, a unique environment created what was recognized on Jan. 9, 1903, as the Wind Cave National Park.

Wrangell-St. Elias National Park and Preserve

biggest national park

(Image credit: National Park Service)

On Dec. 2, 1980, the largest National Park in America — consisting of 13.2 million acres — was brought into existence: Wrangell-St. Elias National Park and Preserve in Alaska.

Yellowstone National Park

old faithful

(Image credit: NPS.)

America's first National Park, established in 1872, is Yellowstone National Park in Wyoming.

Yosemite National Park

national parks adventure imax

(Image credit: Courtesy of MacGillivray Freeman Films. Photographer: Barbara MacGillivray. Copyright VisitTheUSA.com)

Yosemite National Park was founded on Oct. 1, 1890, in the State of California.

Zion National Park

the sentinel in zion canyon

(Image credit: NPS)

Congress set aside the land for Zion National Park in Utah on Nov. 19, 1919.

Live Science Staff
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