Bison at dusk, Badlands NP, South Dakota

Badlands NP, South Dakota

Bighorn Sheep, Badlands NP, SD

Bighorn Sheep, Badlands NP, SD

At Yellow Mounds overlook, Badlands NP, SD

Bison, Badlands NP, SD

Hunting Coyote, Badlands NP, SD

Dawn at Custer State Park, Black Hills, SD

Pronghorn, Custer State Park, Black Hills, SD

Mule Deer, Custer State Park, Black Hills, SD

Mountain Bluebird, Custer State Park, Black Hills, SD

Bison, Custer State Park, Black Hills, SD

Crazy Horse Memorial, Black Hills, SD

Jewel Cave National Monument, Black Hills, SD

Canonball Concretions, Theodore Roosevelt NP- North unit, ND

Saloon #10, Deadwood, Black Hills, SD

Red Crossbill, Castles-Slim Butte, North Dakota

Little Missouri River, Theodore Roosevelt NP- South unit, ND

Black-tailed Prairie Dogs, Theodore Roosevelt NP- South unit, ND

Wind Cave National Park, SD

Wind Canyon, Theodore Roosevelt NP- South unit, ND

Theodore Roosevelt NP- South unit, ND

Black-tailed Prairie Dog, Theodore Roosevelt NP- South unit, ND

Chateau de Mores, Medora, North Dakota

Mule Deer, Theodore Roosevelt NP- North unit, ND

Bentonite Slope at Caprock Coulee Trail, Theodore Roosevelt NP- North unit, ND

Bison, Theodore Roosevelt NP- North unit, ND

Fall in Theodore Roosevelt NP- North unit, ND

Bighorn Sheep, near Oxbow Overlook, Theodore Roosevelt NP- North unit, ND

Mirrored trees, Little Missouri River, Theodore Roosevelt NP- North unit, ND