The National Park Service oversees 59 national parks, many national monuments, and other conservation and historical properties, totaling 401 units in all. The National Park Service was created on August 25, 1916.

Alcatraz Island, CA

Alcatraz Island, CA

Badlands, SD

Badlands, SD

Big Bend, TX

Big Bend, TX

Bryce Canyon, UT

Bryce Canyon, UT

Death Valley, CA-NV

Death Valley, CA-NV

Glacier, MT

Glacier, MT

Grand Canyon, AZ

Grand Canyon, AZ

Grand Tetons, WY

Grand Tetons, WY

Gulf Shores, AL - Fort Morgan National Historic Site

Gulf Shores, AL - Fort Morgan National Historic Site

Pea Ridge, AR

Pea Ridge, AR

Petrified Forest & Painted Desert, AZ

Petrified Forest & Painted Desert, AZ

Rocky Mountain, CO

Rocky Mountain, CO

Smoky Mountain, NC-TN

Smoky Mountain, NC-TN

Theodore Roosevelt, ND

Theodore Roosevelt, ND

Upper Missouri River Breaks, MT

Upper Missouri River Breaks, MT

Yellowstone, WY-MT-ID

Yellowstone, WY-MT-ID

Yosemite, CA

Yosemite, CA