Old Faithful at sunset. Yellowstone National Park, Wyoming

Joshua Trees, Joshua Tree National Park, California

Lower Falls, Yellowstone, Wyoming

Blooming desert flowers at sunset, Anza-Borrego Desert State Park, California

Slot Canyon details, Arizona

Saguaro cacti silhuetted against the sky as night turns to day, Organ Pipe Cactus National Monument, Arizona

Kelp, Bandon Beach, Oregon, USA

Crescent Moon rising between the Mule Ears at dawn, Big Bend National Park, Texas

Toketee Falls, Oregon, USA

Tide pool, Olympic National Park, Washington

Bull Moose, Rocky Mountain National Park, Colorado, USA

Seal Rocks, Oregon

Wildflower Meadow, Olympic National Park, Washington

Painted Hills Storm, Oregon

Maidenhair Ferns, Olympic National Park, Washington, USA

Cracked Eggs, Bisti Badlands, New Mexico

Tidepool life, Bandon Beach, Oregon, USA

Salt formations in Cotton Ball Basin, Death Valley National Park, California

Mystery Valley, Utah/Arizona

Ruby Beach, Olympic National Park, Washington, USA

Tumtum Peak Sunset, Mount Rainier National Park, Washington

Superbloom in Carrizo Plain National Monument, California

Kelp at sunrise, Olympic National Park, Washington

Horseshoe Bend, Arizona