Devils Tower National Monument. (2000)

Devils Tower National Monument. I shot this with a 10mm lens. The boulders nearest me are about two feet away. (2011)

Looking toward Cascade Canyon from across Jenny Lake in Grand Teton National Park. (1976)

Early morning in Grand Teton National Park. (2011)

I love the lighting and depth in this photo, but if you look at the fence you will see that I took the photo while moving in the car. We were driving a back road, with no place to pull off and a car behind me. I took this Hail Mary shot and got lucky. (2011)

Grand Tetons during a float ride. (2007)

The Barn. Every gift shop in Jackson, Wyoming, has photographs of this for sale. I finally found the barn in 2011 and took over a dozen images. (2011)

This is an early morning photo of Mt. Moran at Oxbow Bend. (2007)

Late evening shot of Mt. Moran from Colter Bay. (2011)

This is a photograph from near the north end of Grand Teton National Park, showing the Teton mountain range and Jackson Lake. (2007)

Lewis Falls is located a short distance from the south entrance into Yellowstone. (2007)

Here is Lewis Falls again a few years later. Even though it was mid-June, it snowed on us a couple of days. (2011)

Beehive Geyser in the Upper Geyser Basin at Yellowstone National Park erupts with a high-powered jet of water. Its mist created a rainbow. (2000)

Old Faithful is in the Upper Geyser Basin. (2011)

Water from the geysers and hot springs in the Midway Geyser Basin flow into the Firehole River. (2000)

In Yellowstone National Park, the Grand Prismatic Spring in the Midway Geyser Basin is the largest hot spring in the United States and the third largest in the world. (2007)

A herd of bison graze along the Firehole River in the Midway Geyser Basin. Steam from the Grand Prismatic Spring rises in the background. (2011)

Fountain and Clepsydra geysers in the Lower Geyser Basin erupt at the same time. (2000)

This is the Upper Falls in the Grand Canyon of Yellowstone National Park. (2011)

Mammoth Hot Springs is a short distance from the north entrance into Yellowstone. (2000)

Mammoth Hot Springs. (2011)

It is always important to check your mirrors for traffic behind you. Bison herds are all over Yellowstone and it is not unusual for them to cross roads. (2011)