On the road between Las Vegas and Zion Canyon National Park.

The entrance to Zion Canyon NP.

Zion Canyon NP.

Zion Canyon NP.

Zion Canyon NP.

Zion Canyon NP.

Zion Canyon NP.

Zion Canyon NP.

The Virgin River spilling out of The Narrows into Zion Canyon.

Zion Canyon NP.

Zion Canyon NP.

Zion Canyon NP.

Zion Canyon NP.

The harrowing final stretch of the Angels Landing Trail, along a ridge with 2000-foot drop-offs on either side, high winds, and no railings.

The view from Angels Landing.

The view from Angels Landing.

The view from Angels Landing.

The view from Angels Landing.

Bryce Canyon National Park.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon, with a snow shower moving in.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Bryce Canyon NP.

Capitol Reef National Park.

Hiking down a dry wash at Capitol Reef NP.

Hiking down a dry wash at Capitol Reef NP.

Hiking down a dry wash at Capitol Reef NP.

Hiking down a dry wash at Capitol Reef, in my high-tech hiking gear.

Capitol Reef NP.

Capitol Reef NP.

Approaching Arches National Park.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP. To the left and slightly below center, two hikers provide a sense of scale.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Arches NP.

Canyonlands National Park.

Canyonlands NP.

Canyonlands NP.

Canyonlands NP.

Natural Bridges National Monument.

Natural Bridges NM.

Natural Bridges NM.

Natural Bridges NM.

Monument Valley.

Monument Valley.

Monument Valley.

Monument Valley.

Monument Valley.

Monument Valley.

Monument Valley.

From the window of my room at one of the lodges at Grand Canyon National Park.

Grand Canyon NP.

Grand Canyon NP.

Grand Canyon NP.

Grand Canyon NP.

Grand Canyon NP.

Grand Canyon NP.

The Grand Canyon Railway.

The entrance to Grand Canyon Caverns.

Mummified Bobcat in Grand Canyon Caverns.

Along old Route 66 between Kingman and Oatman, AZ.

Along old Route 66 between Kingman and Oatman, AZ.

Oatman, AZ.

Oatman, AZ.

Hoover Dam.

One of the enormous spillways at Hoover Dam. The tractor-trailer on the bridge provides scale.

Lake Mead, behind Hoover Dam.

One of the generator rooms inside Hoover Dam.

Lake Mead appears like a mirage in the desert.